Q: Is 2,525,421 a Prime Number?
A: No, 2,525,421 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 2525421 can be evenly divided by 1 3 109 327 7,723 23,169 841,807 and 2,525,421, with no remainder.
Since 2,525,421 cannot be divided by just 1 and 2,525,421, it is not a prime number.