Q: Is 646,242 a Prime Number?
A: No, 646,242 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 646242 can be evenly divided by 1 2 3 6 37 41 71 74 82 111 123 142 213 222 246 426 1,517 2,627 2,911 3,034 4,551 5,254 5,822 7,881 8,733 9,102 15,762 17,466 107,707 215,414 323,121 and 646,242, with no remainder.
Since 646,242 cannot be divided by just 1 and 646,242, it is not a prime number.