Q: Is 72,240 a Prime Number?
A: No, 72,240 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 72240 can be evenly divided by 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 40 42 43 48 56 60 70 80 84 86 105 112 120 129 140 168 172 210 215 240 258 280 301 336 344 420 430 516 560 602 645 688 840 860 903 1,032 1,204 1,290 1,505 1,680 1,720 1,806 2,064 2,408 2,580 3,010 3,440 3,612 4,515 4,816 5,160 6,020 7,224 9,030 10,320 12,040 14,448 18,060 24,080 36,120 and 72,240, with no remainder.
Since 72,240 cannot be divided by just 1 and 72,240, it is not a prime number.