Q: Is 21,315,421 a Composite Number?
A: No, 21,315,421 is not a composite number; it is a prime number.
The number 21,315,421 can be evenly divided by 1 and 21,315,421, with no remainder.
Since 21,315,421 can be divided by just 1 and 21,315,421, it is not a composite number.
Number | 21,315,419 | 21,315,420 | 21,315,422 | 21,315,423 |
Composite? | yes | yes | yes | yes |