Q: Is 3,642,640 a Prime Number?
A: No, 3,642,640 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 3642640 can be evenly divided by 1 2 4 5 8 10 16 20 40 80 45,533 91,066 182,132 227,665 364,264 455,330 728,528 910,660 1,821,320 and 3,642,640, with no remainder.
Since 3,642,640 cannot be divided by just 1 and 3,642,640, it is not a prime number.