Q: Is 1,375,245 a Prime Number?
A: No, 1,375,245 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 1375245 can be evenly divided by 1 3 5 9 15 27 45 61 135 167 183 305 501 549 835 915 1,503 1,647 2,505 2,745 4,509 7,515 8,235 10,187 22,545 30,561 50,935 91,683 152,805 275,049 458,415 and 1,375,245, with no remainder.
Since 1,375,245 cannot be divided by just 1 and 1,375,245, it is not a prime number.