Q: Is 438,528 a Prime Number?
A: No, 438,528 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 438528 can be evenly divided by 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 571 768 1,142 1,713 2,284 3,426 4,568 6,852 9,136 13,704 18,272 27,408 36,544 54,816 73,088 109,632 146,176 219,264 and 438,528, with no remainder.
Since 438,528 cannot be divided by just 1 and 438,528, it is not a prime number.