Q: Is 357,980 a Prime Number?
A: No, 357,980 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 357980 can be evenly divided by 1 2 4 5 7 10 14 20 28 35 70 140 2,557 5,114 10,228 12,785 17,899 25,570 35,798 51,140 71,596 89,495 178,990 and 357,980, with no remainder.
Since 357,980 cannot be divided by just 1 and 357,980, it is not a prime number.