Q: Is 336,420 a Prime Number?
A: No, 336,420 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 336420 can be evenly divided by 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 35 36 42 45 54 60 63 70 84 89 90 105 108 126 135 140 178 180 189 210 252 267 270 315 356 378 420 445 534 540 623 630 756 801 890 945 1,068 1,246 1,260 1,335 1,602 1,780 1,869 1,890 2,403 2,492 2,670 3,115 3,204 3,738 3,780 4,005 4,806 5,340 5,607 6,230 7,476 8,010 9,345 9,612 11,214 12,015 12,460 16,020 16,821 18,690 22,428 24,030 28,035 33,642 37,380 48,060 56,070 67,284 84,105 112,140 168,210 and 336,420, with no remainder.
Since 336,420 cannot be divided by just 1 and 336,420, it is not a prime number.