Q: Is 660,528 a Prime Number?
A: No, 660,528 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 660528 can be evenly divided by 1 2 3 4 6 8 9 11 12 16 18 22 24 27 33 36 44 48 54 66 72 88 99 108 132 139 144 176 198 216 264 278 297 396 417 432 528 556 594 792 834 1,112 1,188 1,251 1,529 1,584 1,668 2,224 2,376 2,502 3,058 3,336 3,753 4,587 4,752 5,004 6,116 6,672 7,506 9,174 10,008 12,232 13,761 15,012 18,348 20,016 24,464 27,522 30,024 36,696 41,283 55,044 60,048 73,392 82,566 110,088 165,132 220,176 330,264 and 660,528, with no remainder.
Since 660,528 cannot be divided by just 1 and 660,528, it is not a prime number.