Q: Is 1,400,064 a Prime Number?
A: No, 1,400,064 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 1400064 can be evenly divided by 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 768 1,823 3,646 5,469 7,292 10,938 14,584 21,876 29,168 43,752 58,336 87,504 116,672 175,008 233,344 350,016 466,688 700,032 and 1,400,064, with no remainder.
Since 1,400,064 cannot be divided by just 1 and 1,400,064, it is not a prime number.