Q: Is 84,420 a Prime Number?
A: No, 84,420 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 84420 can be evenly divided by 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 60 63 67 70 84 90 105 126 134 140 180 201 210 252 268 315 335 402 420 469 603 630 670 804 938 1,005 1,206 1,260 1,340 1,407 1,876 2,010 2,345 2,412 2,814 3,015 4,020 4,221 4,690 5,628 6,030 7,035 8,442 9,380 12,060 14,070 16,884 21,105 28,140 42,210 and 84,420, with no remainder.
Since 84,420 cannot be divided by just 1 and 84,420, it is not a prime number.