Q: Is 1,365,640 a Prime Number?
A: No, 1,365,640 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 1365640 can be evenly divided by 1 2 4 5 8 10 20 40 34,141 68,282 136,564 170,705 273,128 341,410 682,820 and 1,365,640, with no remainder.
Since 1,365,640 cannot be divided by just 1 and 1,365,640, it is not a prime number.