Q: Is 4,292,421 a Prime Number?
A: No, 4,292,421 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 4292421 can be evenly divided by 1 3 7 21 23 69 161 483 8,887 26,661 62,209 186,627 204,401 613,203 1,430,807 and 4,292,421, with no remainder.
Since 4,292,421 cannot be divided by just 1 and 4,292,421, it is not a prime number.