Q: Is 402,225 a Prime Number?
A: No, 402,225 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 402225 can be evenly divided by 1 3 5 15 25 31 75 93 155 173 465 519 775 865 2,325 2,595 4,325 5,363 12,975 16,089 26,815 80,445 134,075 and 402,225, with no remainder.
Since 402,225 cannot be divided by just 1 and 402,225, it is not a prime number.