Q: Is 138,560 a Prime Number?
A: No, 138,560 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 138560 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 64 80 160 320 433 866 1,732 2,165 3,464 4,330 6,928 8,660 13,856 17,320 27,712 34,640 69,280 and 138,560, with no remainder.
Since 138,560 cannot be divided by just 1 and 138,560, it is not a prime number.