Q: Is 129,640 a Prime Number?
A: No, 129,640 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 129640 can be evenly divided by 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 463 926 1,852 2,315 3,241 3,704 4,630 6,482 9,260 12,964 16,205 18,520 25,928 32,410 64,820 and 129,640, with no remainder.
Since 129,640 cannot be divided by just 1 and 129,640, it is not a prime number.