Q: Is 66,920 a Prime Number?
A: No, 66,920 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 66920 can be evenly divided by 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 239 280 478 956 1,195 1,673 1,912 2,390 3,346 4,780 6,692 8,365 9,560 13,384 16,730 33,460 and 66,920, with no remainder.
Since 66,920 cannot be divided by just 1 and 66,920, it is not a prime number.