Q: Is 609,740 a Prime Number?
A: No, 609,740 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 609740 can be evenly divided by 1 2 4 5 10 20 43 86 172 215 430 709 860 1,418 2,836 3,545 7,090 14,180 30,487 60,974 121,948 152,435 304,870 and 609,740, with no remainder.
Since 609,740 cannot be divided by just 1 and 609,740, it is not a prime number.