Q: Is 39,975 a Prime Number?
A: No, 39,975 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 39975 can be evenly divided by 1 3 5 13 15 25 39 41 65 75 123 195 205 325 533 615 975 1,025 1,599 2,665 3,075 7,995 13,325 and 39,975, with no remainder.
Since 39,975 cannot be divided by just 1 and 39,975, it is not a prime number.