Q: Is 165,572 a Prime Number?
A: No, 165,572 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 165572 can be evenly divided by 1 2 4 11 22 44 53 71 106 142 212 284 583 781 1,166 1,562 2,332 3,124 3,763 7,526 15,052 41,393 82,786 and 165,572, with no remainder.
Since 165,572 cannot be divided by just 1 and 165,572, it is not a prime number.