Q: Is 402,375 a Prime Number?
A: No, 402,375 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 402375 can be evenly divided by 1 3 5 15 25 29 37 75 87 111 125 145 185 375 435 555 725 925 1,073 2,175 2,775 3,219 3,625 4,625 5,365 10,875 13,875 16,095 26,825 80,475 134,125 and 402,375, with no remainder.
Since 402,375 cannot be divided by just 1 and 402,375, it is not a prime number.