Q: Is 57,420 a Prime Number?
A: No, 57,420 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 57420 can be evenly divided by 1 2 3 4 5 6 9 10 11 12 15 18 20 22 29 30 33 36 44 45 55 58 60 66 87 90 99 110 116 132 145 165 174 180 198 220 261 290 319 330 348 396 435 495 522 580 638 660 870 957 990 1,044 1,276 1,305 1,595 1,740 1,914 1,980 2,610 2,871 3,190 3,828 4,785 5,220 5,742 6,380 9,570 11,484 14,355 19,140 28,710 and 57,420, with no remainder.
Since 57,420 cannot be divided by just 1 and 57,420, it is not a prime number.