Q: Is 361,515 a Prime Number?
A: No, 361,515 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 361515 can be evenly divided by 1 3 5 7 11 15 21 33 35 55 77 105 165 231 313 385 939 1,155 1,565 2,191 3,443 4,695 6,573 10,329 10,955 17,215 24,101 32,865 51,645 72,303 120,505 and 361,515, with no remainder.
Since 361,515 cannot be divided by just 1 and 361,515, it is not a prime number.