Q: Is 126,420 a Prime Number?
A: No, 126,420 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 126420 can be evenly divided by 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 43 49 60 70 84 86 98 105 129 140 147 172 196 210 215 245 258 294 301 420 430 490 516 588 602 645 735 860 903 980 1,204 1,290 1,470 1,505 1,806 2,107 2,580 2,940 3,010 3,612 4,214 4,515 6,020 6,321 8,428 9,030 10,535 12,642 18,060 21,070 25,284 31,605 42,140 63,210 and 126,420, with no remainder.
Since 126,420 cannot be divided by just 1 and 126,420, it is not a prime number.