Q: Is 172,672 a Prime Number?
A: No, 172,672 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 172672 can be evenly divided by 1 2 4 8 16 19 32 38 64 71 76 128 142 152 284 304 568 608 1,136 1,216 1,349 2,272 2,432 2,698 4,544 5,396 9,088 10,792 21,584 43,168 86,336 and 172,672, with no remainder.
Since 172,672 cannot be divided by just 1 and 172,672, it is not a prime number.