Q: Is 679,740 a Prime Number?
A: No, 679,740 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 679740 can be evenly divided by 1 2 3 4 5 6 10 12 15 20 30 60 11,329 22,658 33,987 45,316 56,645 67,974 113,290 135,948 169,935 226,580 339,870 and 679,740, with no remainder.
Since 679,740 cannot be divided by just 1 and 679,740, it is not a prime number.