Q: Is 1,078,720 a Prime Number?
A: No, 1,078,720 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 1078720 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 64 80 160 320 3,371 6,742 13,484 16,855 26,968 33,710 53,936 67,420 107,872 134,840 215,744 269,680 539,360 and 1,078,720, with no remainder.
Since 1,078,720 cannot be divided by just 1 and 1,078,720, it is not a prime number.