Q: Is 142,443,021 a Prime Number?
A: No, 142,443,021 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 142443021 can be evenly divided by 1 3 7 21 257 771 1,799 5,397 26,393 79,179 184,751 554,253 6,783,001 20,349,003 47,481,007 and 142,443,021, with no remainder.
Since 142,443,021 cannot be divided by just 1 and 142,443,021, it is not a prime number.
| Number | 142,443,019 | 142,443,020 | 142,443,022 | 142,443,023 |
| Prime? | no | no | no | no |