Q: Is 7,421,745 a Prime Number?
A: No, 7,421,745 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 7421745 can be evenly divided by 1 3 5 15 494,783 1,484,349 2,473,915 and 7,421,745, with no remainder.
Since 7,421,745 cannot be divided by just 1 and 7,421,745, it is not a prime number.