Q: Is 1,362,640 a Prime Number?
A: No, 1,362,640 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 1362640 can be evenly divided by 1 2 4 5 8 10 16 20 40 80 17,033 34,066 68,132 85,165 136,264 170,330 272,528 340,660 681,320 and 1,362,640, with no remainder.
Since 1,362,640 cannot be divided by just 1 and 1,362,640, it is not a prime number.