Q: Is 1,340,688 a Prime Number?
A: No, 1,340,688 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 1340688 can be evenly divided by 1 2 3 4 6 8 12 16 17 24 31 34 48 51 53 62 68 93 102 106 124 136 159 186 204 212 248 272 318 372 408 424 496 527 636 744 816 848 901 1,054 1,272 1,488 1,581 1,643 1,802 2,108 2,544 2,703 3,162 3,286 3,604 4,216 4,929 5,406 6,324 6,572 7,208 8,432 9,858 10,812 12,648 13,144 14,416 19,716 21,624 25,296 26,288 27,931 39,432 43,248 55,862 78,864 83,793 111,724 167,586 223,448 335,172 446,896 670,344 and 1,340,688, with no remainder.
Since 1,340,688 cannot be divided by just 1 and 1,340,688, it is not a prime number.