Q: Is 749,780 a Prime Number?
A: No, 749,780 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 749780 can be evenly divided by 1 2 4 5 10 20 37,489 74,978 149,956 187,445 374,890 and 749,780, with no remainder.
Since 749,780 cannot be divided by just 1 and 749,780, it is not a prime number.