Q: Is 1,375,528 a Prime Number?
A: No, 1,375,528 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 1375528 can be evenly divided by 1 2 4 7 8 11 14 22 28 29 44 49 56 58 77 88 98 116 121 154 196 203 232 242 308 319 392 406 484 539 616 638 812 847 968 1,078 1,276 1,421 1,624 1,694 2,156 2,233 2,552 2,842 3,388 3,509 4,312 4,466 5,684 5,929 6,776 7,018 8,932 11,368 11,858 14,036 15,631 17,864 23,716 24,563 28,072 31,262 47,432 49,126 62,524 98,252 125,048 171,941 196,504 343,882 687,764 and 1,375,528, with no remainder.
Since 1,375,528 cannot be divided by just 1 and 1,375,528, it is not a prime number.