Q: Is 1,359,375 a Prime Number?
A: No, 1,359,375 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 1359375 can be evenly divided by 1 3 5 15 25 29 75 87 125 145 375 435 625 725 1,875 2,175 3,125 3,625 9,375 10,875 15,625 18,125 46,875 54,375 90,625 271,875 453,125 and 1,359,375, with no remainder.
Since 1,359,375 cannot be divided by just 1 and 1,359,375, it is not a prime number.