Q: Is 221,423,001 a Prime Number?
A: No, 221,423,001 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 221423001 can be evenly divided by 1 3 23 41 69 83 123 249 529 943 1,587 1,681 1,909 2,829 3,403 5,043 5,727 10,209 21,689 38,663 43,907 65,067 78,269 115,989 131,721 139,523 234,807 418,569 889,249 1,800,187 2,667,747 3,209,029 5,400,561 9,627,087 73,807,667 and 221,423,001, with no remainder.
Since 221,423,001 cannot be divided by just 1 and 221,423,001, it is not a prime number.
| Number | 221,422,999 | 221,423,000 | 221,423,002 | 221,423,003 |
| Prime? | no | no | no | no |