Q: Is 5,242,636 a Prime Number?
A: No, 5,242,636 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 5242636 can be evenly divided by 1 2 4 7 14 28 187,237 374,474 748,948 1,310,659 2,621,318 and 5,242,636, with no remainder.
Since 5,242,636 cannot be divided by just 1 and 5,242,636, it is not a prime number.