Q: Is 42,321,220 a Prime Number?
A: No, 42,321,220 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 42321220 can be evenly divided by 1 2 4 5 10 20 67 134 268 335 670 1,340 31,583 63,166 126,332 157,915 315,830 631,660 2,116,061 4,232,122 8,464,244 10,580,305 21,160,610 and 42,321,220, with no remainder.
Since 42,321,220 cannot be divided by just 1 and 42,321,220, it is not a prime number.
| Number | 42,321,218 | 42,321,219 | 42,321,221 | 42,321,222 |
| Prime? | no | no | no | no |