Q: Is 64,428 a Prime Number?
A: No, 64,428 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 64428 can be evenly divided by 1 2 3 4 6 7 12 13 14 21 26 28 39 42 52 59 78 84 91 118 156 177 182 236 273 354 364 413 546 708 767 826 1,092 1,239 1,534 1,652 2,301 2,478 3,068 4,602 4,956 5,369 9,204 10,738 16,107 21,476 32,214 and 64,428, with no remainder.
Since 64,428 cannot be divided by just 1 and 64,428, it is not a prime number.