Q: Is 137,720 a Prime Number?
A: No, 137,720 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 137720 can be evenly divided by 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 313 440 626 1,252 1,565 2,504 3,130 3,443 6,260 6,886 12,520 13,772 17,215 27,544 34,430 68,860 and 137,720, with no remainder.
Since 137,720 cannot be divided by just 1 and 137,720, it is not a prime number.