Q: Is 1,521,674 a Prime Number?
A: No, 1,521,674 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 1521674 can be evenly divided by 1 2 7 11 14 22 41 77 82 154 241 287 451 482 574 902 1,687 2,651 3,157 3,374 5,302 6,314 9,881 18,557 19,762 37,114 69,167 108,691 138,334 217,382 760,837 and 1,521,674, with no remainder.
Since 1,521,674 cannot be divided by just 1 and 1,521,674, it is not a prime number.