Q: Is 1,351,125 a Prime Number?
A: No, 1,351,125 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 1351125 can be evenly divided by 1 3 5 9 15 25 45 75 125 225 375 1,125 1,201 3,603 6,005 10,809 18,015 30,025 54,045 90,075 150,125 270,225 450,375 and 1,351,125, with no remainder.
Since 1,351,125 cannot be divided by just 1 and 1,351,125, it is not a prime number.