Q: Is 1,356,672 a Prime Number?
A: No, 1,356,672 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 1356672 can be evenly divided by 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 384 3,533 7,066 10,599 14,132 21,198 28,264 42,396 56,528 84,792 113,056 169,584 226,112 339,168 452,224 678,336 and 1,356,672, with no remainder.
Since 1,356,672 cannot be divided by just 1 and 1,356,672, it is not a prime number.