Q: Is 345,375 a Prime Number?
A: No, 345,375 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 345375 can be evenly divided by 1 3 5 9 15 25 45 75 125 225 307 375 921 1,125 1,535 2,763 4,605 7,675 13,815 23,025 38,375 69,075 115,125 and 345,375, with no remainder.
Since 345,375 cannot be divided by just 1 and 345,375, it is not a prime number.