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 A^2 = B^3 + C^3
 Set {4,b,c,d,e} such that the product of any two of them increased by 1 is a square
 smallest integer whose first n multiples all contain a 3
 Set {3,b,c,d,e} such that the product of any two of them increased by 1 is a square
 Set {2,b,c,d,e} such that the product of any two of them increased by 1 is a square
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Tag Archives: primorial
Primorials to Palindromes
The nth primorial number, denoted is defined as the product of the first primes http://mathworld.wolfram.com/Primorial.html https://en.wikipedia.org/wiki/Primorial and the next few ones: 30030, 510510, 9699690, 223092870, 6469693230, 200560490130, 7420738134810, 304250263527210, 13082761331670030, 614889782588491410, 32589158477190044730, 1922760350154212639070 … Continue reading
Primorial puzzle
Part 1 To find (m, n) so that C(m,n) is a product of all prime numbers ≤ m For example, It appears that the product of the primes is … Continue reading
When Sums of Products of Prime Num3ers is a Power
A primorial, denoted n#, is the product of the first n prime numbers. The first 15 prime numbers: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47 1# = 2 2# = 2*3 = … Continue reading