Q: Is 7,740,421 a Prime Number?
A: No, 7,740,421 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 7740421 can be evenly divided by 1 13 31 403 19,207 249,691 595,417 and 7,740,421, with no remainder.
Since 7,740,421 cannot be divided by just 1 and 7,740,421, it is not a prime number.