Q: Is 420,512 a Prime Number?
A: No, 420,512 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 420512 can be evenly divided by 1 2 4 8 16 17 32 34 68 136 272 544 773 1,546 3,092 6,184 12,368 13,141 24,736 26,282 52,564 105,128 210,256 and 420,512, with no remainder.
Since 420,512 cannot be divided by just 1 and 420,512, it is not a prime number.