Q: Is 138,644 a Prime Number?
A: No, 138,644 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 138644 can be evenly divided by 1 2 4 11 22 23 44 46 92 137 253 274 506 548 1,012 1,507 3,014 3,151 6,028 6,302 12,604 34,661 69,322 and 138,644, with no remainder.
Since 138,644 cannot be divided by just 1 and 138,644, it is not a prime number.