Q: Is 145,572 a Prime Number?
A: No, 145,572 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 145572 can be evenly divided by 1 2 3 4 6 7 12 14 21 28 42 84 1,733 3,466 5,199 6,932 10,398 12,131 20,796 24,262 36,393 48,524 72,786 and 145,572, with no remainder.
Since 145,572 cannot be divided by just 1 and 145,572, it is not a prime number.