Tag Archives: primorial

Primorials to Palindromes

    The n-th 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

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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

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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

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