Q: Is 1,015,640 a Prime Number?
A: No, 1,015,640 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 1015640 can be evenly divided by 1 2 4 5 8 10 20 40 25,391 50,782 101,564 126,955 203,128 253,910 507,820 and 1,015,640, with no remainder.
Since 1,015,640 cannot be divided by just 1 and 1,015,640, it is not a prime number.