submitted to the Journal Nature
An Alternative to Mersenne Primes:
Finding the Largest Prime Using Convergent Sequences of Primitive Pythagorean Triples
2--(7 million zeroes)--2--(7 million zeros)--1
by Richard Allen Brown and Dr. John McKee
1248 Insititute, Charleston and Santa Barbara
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Summary
Table 1.
The first 10,000 Pythagorean Triples Coverging to an angle of ZERO
| Sequence | Small Side | Diagonal | Prime Factors |
| n | k(n)=2*n+1 | m(n)=2*n**2 + 2*n + 1 | |
| 1 | 3 | 5 | prime 1/1 |
| 2 | 5 | 13 | prime 2/2 |
| 3 | 7 | 25 | 5*5 |
| 4 | 9 | 41 | prime 3/4 |
| 5 | 11 | 61 | prime 4/5 |
| 6 | 13 | 85 | 5*17 |
| 7 | 15 | 113 | prime 5/7 |
| 8 | 17 | 145 | 5*29 |
| 9 | 19 | 181 | prime 6/9 |
| 10 | 21 | 221 | 13*17 |
| 11 | 23 | 265 | 5*53 |
| 12 | 25 | 313 | prime 7/12 |
| 13 | 27 | 365 | 5*73 |
| 14 | 29 | 421 | prime 8/14 |
| 15 | 31 | 481 | 13*37 |
| 16 | 33 | 545 | 5*109 |
| 17 | 35 | 613 | prime 9/17 |
| 18 | 37 | 685 | 5*137 |
| 19 | 39 | 761 | prime 10/19 |
| 20 | 41 | 841 | 29*29 |
| 21 | 43 | 925 | 5*5*37 |
| 22 | 45 | 1013 | prime 11/22 |
| 23 | 47 | 1105 | 5*221 |
| 24 | 49 | 1201 | prime 12/24 |
| 25 | 51 | 1301 | prime 13/25 |
| 26 | 53 | 1405 | 5*281 |
| 27 | 55 | 1513 | 17*89 |
| 28 | 57 | 1625 | 5*5*5*13 |
| 29 | 59 | 1741 | prime 14/29 |
| 30 | 61 | 1861 | prime 15/30 |
| 31 | 63 | 1985 | 5*397 |
| 32 | 65 | 2113 | prime 16/32 |
| 33 | 67 | 2245 | 5*449 |
| 34 | 69 | 2381 | prime 17/34 |
| 35 | 71 | 2521 | prime 18/35 |
| 36 | 73 | 2665 | 5*13*41 |
| 37 | 75 | 2813 | 29*97 |
| 38 | 77 | 2965 | 5*593 |
| 39 | 79 | 3121 | prime 19/39 |
| 40 | 81 | 3281 | 17*193 |
| 41 | 83 | 3365 | 5*673 |
| 42 | 85 | 3613 | prime 20/42 |
| 43 | 87 | 3785 | 5*757 |
| 44 | 89 | 3961 | 13*233 |
| 45 | 91 | 4141 | 41*101 |
| 46 | 93 | 4325 | 5*5*173 |
| 47 | 95 | 4513 | prime 21/47 |
| 48 | 97 | 4705 | 5*941 |
| 49 | 99 | 4901 | 13*13*29 |
| 50 | 101 | 5101 | prime 22/50 |
| 51 | 103 | 5305 | 5*1061 |
| 52 | 105 | 5513 | 37*149 |
| 53 | 107 | 5725 | 5*5*229 |
| 54 | 109 | 5941 | 13*457 |
| 55 | 111 | 6161 | 61*101 |
| 56 | 113 | 6385 | 5*1277 |
| 57 | 115 | 6613 | 17*389 |
| 58 | 117 | 6845 | 5*37*37 |
| 59 | 119 | 7081 | 73*97 |
| 60 | 121 | 7321 | prime 23/60 |
| 61 | 123 | 7565 | 5*17*89 |
| 62 | 125 | 7813 | 13*601 |
| 63 | 127 | 8065 | 5*1613 |
| 64 | 129 | 8321 | 53*157 |
| 65 | 131 | 8581 | prime 24/65 |
| 66 | 133 | 8845 | 5*29*61 |
| 67 | 135 | 9113 | 13*701 |
| 68 | 137 | 9385 | 5*1877 |
| 69 | 139 | 9661 | prime 25/69 |
| 70 | 141 | 9941 | prime 26/70 |
| 71 | 143 | 10225 | 5*5*409 |
| 72 | 145 | 10513 | prime 27/72 |
| 73 | 147 | 10805 | 5*2161 |
| 74 | 149 | 11101 | 17*653 |
| 75 | 151 | 11401 | 13*877 |
| 76 | 153 | 11705 | 5*2341 |
| 77 | 155 | 12013 | 41*293 |
| 78 | 157 | 12325 | 5*5*17*29 |
| 79 | 159 | 12641 | prime 28/79 |
| 80 | 161 | 12961 | 13*997 |
| 81 | 163 | 13285 | 5*2657 |
| 82 | 165 | 13613 | prime 29/82 |
| 83 | 167 | 13945 | 5*2789 |
| 84 | 169 | 14281 | prime 30/84 |
| 85 | 171 | 14621 | prime 31/85 |
| 86 | 173 | 14965 | 5*41*73 |
| 87 | 175 | 15313 | prime 32/87 |
| 88 | 177 | 15665 | 5*13*241 |
| 89 | 179 | 16021 | 37*433 |
| 90 | 181 | 16381 | prime 33/90 |
| 91 | 183 | 16745 | 5*17*197 |
| 92 | 185 | 17113 | 109*157 |
| 93 | 187 | 17485 | 5*13*269 |
| 94 | 189 | 17861 | 53*337 |
| 95 | 191 | 18241 | 17*29*37 |
| 96 | 193 | 18625 | 5*5*5*149 |
| 97 | 195 | 19013 | prime 34/97 |
| 98 | 197 | 19405 | 5*3881 |
| 99 | 199 | 19801 | prime 35/99 |
| 100 | 201 | 20201 | prime 36/100 |
Table 2. The First 31 Primitive Pythagorean Triples of the Form n= 10**k, for all k = 1 through 31
Definition: 20000200001 = 2<4>2<4>1
| k | Sequence | small side | large side | diagonal |
| k | n=10**k | p(n)=2*n+1 | q(n)=2*n**2+2*n | r(n)=2*n**2+2*n+1 |
| 0 | 1 | 3 | 4 | 5 Prime |
| 1 | 10 | 21 | 220 | 221=13*17 |
| 2 | 100 | 201 | 20200 | 20201 Prime |
| 3 | 1000 | 2001 | 2002000 | 2002001 Prime |
| 4 | 10,000 | 20001 | 200020000 | 200020001 |
| 5 | 100,000 | 2<4>1 | 2<4>20<5> | 2<4>2<4>1 |
| 6 | 1,000,000 | 2<5>1 | 2<5>2<6> | 2<5>2<5>1 Prime |
| 7 | 10**7 | 2<6>1 | 2<6>2<7> | 2<6>2<6>1 |
| 8 | 10**8 | 2<7>1 | 2<7>2<8> | 2<7>2<7>1 |
| 9 | 10**9 | 2<8>1 | 2<8>2<9> | 2<8>2<8>1 |
| 10 | 10**10 | 2<9>1 | 2<9>2<10> | 2<9>2<9>1 Prime |
| 11 | 10**11 | 2<10>1 | 2<10>2<11> | 2<10>2<10>1 |
| 12 | 10**12 | 2<11>1 | 2<11>2<12> | 2<11>2<11>1 | <
| 13 | 10**13 | 2<12>1 | 2<12>2<13> | 2<12>2<12>1 |
| 14 | 10**14 | 2<13>1 | 2<13>2<14> | 2<13>2<13>1 |
| 15 | 10**15 | 2<14>1 | 2<14>2<15> | 2<14>2<14>1 |
| 16 | 10**16 | 2<15>1 | 2<15>2<16> | 2<15>2<15>1 |
| 17 | 10**17 | 2<16>1 | 2<16>2<17> | 2<16>2<16>1 |
| 18 | 10**18 | 2<17>1 | 2<17>2<18> | 2<17>2<17>1 |
| 19 | 10**19 | 2<18>1 | 2<18>2<19> | 2<18>2<18>1 |
| 20 | 10**20 | 2<19>1 | 2<19>2<20> | 2<19>2<19>1 |
| 21 | 10**21 | 2<20>1 | 2<20>2<21> | 2<20>2<20>1 |
| 22 | 10**22 | 2<21>1 | 2<21>2<22> | 2<21>2<21>1 |
| 23 | 10**23 | 2<22>1 | 2<22>2<23> | 2<22>2<22>1 |
| 24 | 10**24 | 2<23>1 | 2<23>2<24> | 2<23>2<23>1 |
| 25 | 10**25 | 2<24>1 | 2<24>2<25> | 2<24>2<24>1 |
| 26 | 10**26 | 2<25>1 | 2<25>2<26> | 2<25>2<25>1 |
| 27 | 10**27 | 2<26>1 | 2<26>2<27> | 2<26>2<26>1 |
| 28 | 10**28 | 2<27>1 | 2<27>2<28> | 2<27>2<27>1 |
| 29 | 10**29 | 2<28>1 | 2<28>2<29> | 2<28>2<28>1 |
| 30 | 10**30 | 2<29>1 | 2<29>2<30> | 2<29>2<29>1 |
| 31 | 10**31 | 2<30>1 | 2<30>2<31> | 2<30>2<30>1 |
| 32 |
| 33 |
| 34 |
| 7*10**6 | 10**(7*10**6) | --- | ---- | 2--(7 million zeros)--2--(7 million zeros)--1) |
| N large | 10**(N large) | --- | --- | 2--(N large zeros)--2--(N large zeros)--1 |
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