Q: Is 12,920 a Prime Number?
A: No, 12,920 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 12920 can be evenly divided by 1 2 4 5 8 10 17 19 20 34 38 40 68 76 85 95 136 152 170 190 323 340 380 646 680 760 1,292 1,615 2,584 3,230 6,460 and 12,920, with no remainder.
Since 12,920 cannot be divided by just 1 and 12,920, it is not a prime number.