Q: Is 421,024 a Prime Number?
A: No, 421,024 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 421024 can be evenly divided by 1 2 4 8 16 32 59 118 223 236 446 472 892 944 1,784 1,888 3,568 7,136 13,157 26,314 52,628 105,256 210,512 and 421,024, with no remainder.
Since 421,024 cannot be divided by just 1 and 421,024, it is not a prime number.