Q: Is 507,978 a Prime Number?
A: No, 507,978 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 507978 can be evenly divided by 1 2 3 6 9 18 23 27 46 54 69 138 207 409 414 621 818 1,227 1,242 2,454 3,681 7,362 9,407 11,043 18,814 22,086 28,221 56,442 84,663 169,326 253,989 and 507,978, with no remainder.
Since 507,978 cannot be divided by just 1 and 507,978, it is not a prime number.