Q: Is 3,720,375 a Prime Number?
A: No, 3,720,375 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 3720375 can be evenly divided by 1 3 5 9 15 25 45 75 125 225 375 1,125 3,307 9,921 16,535 29,763 49,605 82,675 148,815 248,025 413,375 744,075 1,240,125 and 3,720,375, with no remainder.
Since 3,720,375 cannot be divided by just 1 and 3,720,375, it is not a prime number.