Q: Is 144,375 a Prime Number?
A: No, 144,375 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 144375 can be evenly divided by 1 3 5 7 11 15 21 25 33 35 55 75 77 105 125 165 175 231 275 375 385 525 625 825 875 1,155 1,375 1,875 1,925 2,625 4,125 4,375 5,775 6,875 9,625 13,125 20,625 28,875 48,125 and 144,375, with no remainder.
Since 144,375 cannot be divided by just 1 and 144,375, it is not a prime number.