Q: Is 155,625 a Prime Number?
A: No, 155,625 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 155625 can be evenly divided by 1 3 5 15 25 75 83 125 249 375 415 625 1,245 1,875 2,075 6,225 10,375 31,125 51,875 and 155,625, with no remainder.
Since 155,625 cannot be divided by just 1 and 155,625, it is not a prime number.