Q: Is 76,428 a Prime Number?
A: No, 76,428 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 76428 can be evenly divided by 1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 132 193 198 386 396 579 772 1,158 1,737 2,123 2,316 3,474 4,246 6,369 6,948 8,492 12,738 19,107 25,476 38,214 and 76,428, with no remainder.
Since 76,428 cannot be divided by just 1 and 76,428, it is not a prime number.