Q: Is 501,980 a Prime Number?
A: No, 501,980 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 501980 can be evenly divided by 1 2 4 5 10 19 20 38 76 95 190 380 1,321 2,642 5,284 6,605 13,210 25,099 26,420 50,198 100,396 125,495 250,990 and 501,980, with no remainder.
Since 501,980 cannot be divided by just 1 and 501,980, it is not a prime number.