Q: Is 42,920 a Prime Number?
A: No, 42,920 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 42920 can be evenly divided by 1 2 4 5 8 10 20 29 37 40 58 74 116 145 148 185 232 290 296 370 580 740 1,073 1,160 1,480 2,146 4,292 5,365 8,584 10,730 21,460 and 42,920, with no remainder.
Since 42,920 cannot be divided by just 1 and 42,920, it is not a prime number.