Q: Is 1,369,728 a Prime Number?
A: No, 1,369,728 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 1369728 can be evenly divided by 1 2 3 4 6 8 9 12 16 18 24 29 32 36 41 48 58 64 72 82 87 96 116 123 128 144 164 174 192 232 246 261 288 328 348 369 384 464 492 522 576 656 696 738 928 984 1,044 1,152 1,189 1,312 1,392 1,476 1,856 1,968 2,088 2,378 2,624 2,784 2,952 3,567 3,712 3,936 4,176 4,756 5,248 5,568 5,904 7,134 7,872 8,352 9,512 10,701 11,136 11,808 14,268 15,744 16,704 19,024 21,402 23,616 28,536 33,408 38,048 42,804 47,232 57,072 76,096 85,608 114,144 152,192 171,216 228,288 342,432 456,576 684,864 and 1,369,728, with no remainder.
Since 1,369,728 cannot be divided by just 1 and 1,369,728, it is not a prime number.