Q: Is 1,521,672 a Prime Number?
A: No, 1,521,672 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 1521672 can be evenly divided by 1 2 3 4 6 8 12 19 24 38 47 57 71 76 94 114 141 142 152 188 213 228 282 284 376 426 456 564 568 852 893 1,128 1,349 1,704 1,786 2,679 2,698 3,337 3,572 4,047 5,358 5,396 6,674 7,144 8,094 10,011 10,716 10,792 13,348 16,188 20,022 21,432 26,696 32,376 40,044 63,403 80,088 126,806 190,209 253,612 380,418 507,224 760,836 and 1,521,672, with no remainder.
Since 1,521,672 cannot be divided by just 1 and 1,521,672, it is not a prime number.