Q: Is 21,742,427 a Prime Number?
A: No, 21,742,427 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 21742427 can be evenly divided by 1 7 49 343 63,389 443,723 3,106,061 and 21,742,427, with no remainder.
Since 21,742,427 cannot be divided by just 1 and 21,742,427, it is not a prime number.
Number | 21,742,425 | 21,742,426 | 21,742,428 | 21,742,429 |
Prime? | no | no | no | no |