Q: Is 123,210 a Prime Number?
A: No, 123,210 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 123210 can be evenly divided by 1 2 3 5 6 9 10 15 18 30 37 45 74 90 111 185 222 333 370 555 666 1,110 1,369 1,665 2,738 3,330 4,107 6,845 8,214 12,321 13,690 20,535 24,642 41,070 61,605 and 123,210, with no remainder.
Since 123,210 cannot be divided by just 1 and 123,210, it is not a prime number.