Q: Is 126,820 a Prime Number?
A: No, 126,820 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 126820 can be evenly divided by 1 2 4 5 10 17 20 34 68 85 170 340 373 746 1,492 1,865 3,730 6,341 7,460 12,682 25,364 31,705 63,410 and 126,820, with no remainder.
Since 126,820 cannot be divided by just 1 and 126,820, it is not a prime number.