Q: Is 731,172 a Prime Number?
A: No, 731,172 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 731172 can be evenly divided by 1 2 3 4 6 12 13 26 39 43 52 78 86 109 129 156 172 218 258 327 436 516 559 654 1,118 1,308 1,417 1,677 2,236 2,834 3,354 4,251 4,687 5,668 6,708 8,502 9,374 14,061 17,004 18,748 28,122 56,244 60,931 121,862 182,793 243,724 365,586 and 731,172, with no remainder.
Since 731,172 cannot be divided by just 1 and 731,172, it is not a prime number.