Q: Is 78,920 a Prime Number?
A: No, 78,920 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 78920 can be evenly divided by 1 2 4 5 8 10 20 40 1,973 3,946 7,892 9,865 15,784 19,730 39,460 and 78,920, with no remainder.
Since 78,920 cannot be divided by just 1 and 78,920, it is not a prime number.