Q: Is 137,920 a Prime Number?
A: No, 137,920 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 137920 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 64 80 160 320 431 862 1,724 2,155 3,448 4,310 6,896 8,620 13,792 17,240 27,584 34,480 68,960 and 137,920, with no remainder.
Since 137,920 cannot be divided by just 1 and 137,920, it is not a prime number.