Fun with num3ers
Saturday, January 22, 2011
Primes (abc)/(a*b*c) and (abcd)/(a*b*c*d)
(abc)/(a*b*c) is prime:
115 is the smallest : 115/5 = 23 is a prime number
(abcd)/(a*b*c*d) is prime:
1115 / 5 = 223 is a prime number
(abcde)/(a*b*c*d*e) is prime:
However 11115 / 5 = 2223 = 3 * 3 * 13 * 19
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