Q: Is 211,172 a Prime Number?
A: No, 211,172 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 211172 can be evenly divided by 1 2 4 13 26 31 52 62 124 131 262 403 524 806 1,612 1,703 3,406 4,061 6,812 8,122 16,244 52,793 105,586 and 211,172, with no remainder.
Since 211,172 cannot be divided by just 1 and 211,172, it is not a prime number.