Q: Is 1,604,064 a Prime Number?
A: No, 1,604,064 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 1604064 can be evenly divided by 1 2 3 4 6 7 8 11 12 14 16 21 22 24 28 31 32 33 42 44 48 49 56 62 66 77 84 88 93 96 98 112 124 132 147 154 168 176 186 196 217 224 231 248 264 294 308 336 341 352 372 392 434 462 496 528 539 588 616 651 672 682 744 784 868 924 992 1,023 1,056 1,078 1,176 1,232 1,302 1,364 1,488 1,519 1,568 1,617 1,736 1,848 2,046 2,156 2,352 2,387 2,464 2,604 2,728 2,976 3,038 3,234 3,472 3,696 4,092 4,312 4,557 4,704 4,774 5,208 5,456 6,076 6,468 6,944 7,161 7,392 8,184 8,624 9,114 9,548 10,416 10,912 12,152 12,936 14,322 16,368 16,709 17,248 18,228 19,096 20,832 24,304 25,872 28,644 32,736 33,418 36,456 38,192 48,608 50,127 51,744 57,288 66,836 72,912 76,384 100,254 114,576 133,672 145,824 200,508 229,152 267,344 401,016 534,688 802,032 and 1,604,064, with no remainder.
Since 1,604,064 cannot be divided by just 1 and 1,604,064, it is not a prime number.