Q: Is 1,356,520 a Prime Number?
A: No, 1,356,520 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 1356520 can be evenly divided by 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 3,083 6,166 12,332 15,415 24,664 30,830 33,913 61,660 67,826 123,320 135,652 169,565 271,304 339,130 678,260 and 1,356,520, with no remainder.
Since 1,356,520 cannot be divided by just 1 and 1,356,520, it is not a prime number.