Q: Is 79,840 a Prime Number?
A: No, 79,840 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 79840 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 80 160 499 998 1,996 2,495 3,992 4,990 7,984 9,980 15,968 19,960 39,920 and 79,840, with no remainder.
Since 79,840 cannot be divided by just 1 and 79,840, it is not a prime number.