Q: Is 315,375 a Prime Number?
A: No, 315,375 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 315375 can be evenly divided by 1 3 5 15 25 29 75 87 125 145 375 435 725 841 2,175 2,523 3,625 4,205 10,875 12,615 21,025 63,075 105,125 and 315,375, with no remainder.
Since 315,375 cannot be divided by just 1 and 315,375, it is not a prime number.