Q: Is 401,115 a Prime Number?
A: No, 401,115 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 401115 can be evenly divided by 1 3 5 11 13 15 17 33 39 51 55 65 85 121 143 165 187 195 221 255 363 429 561 605 663 715 935 1,105 1,573 1,815 2,057 2,145 2,431 2,805 3,315 4,719 6,171 7,293 7,865 10,285 12,155 23,595 26,741 30,855 36,465 80,223 133,705 and 401,115, with no remainder.
Since 401,115 cannot be divided by just 1 and 401,115, it is not a prime number.