Q: Is 842,415 a Prime Number?
A: No, 842,415 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 842415 can be evenly divided by 1 3 5 7 15 21 35 71 105 113 213 339 355 497 565 791 1,065 1,491 1,695 2,373 2,485 3,955 7,455 8,023 11,865 24,069 40,115 56,161 120,345 168,483 280,805 and 842,415, with no remainder.
Since 842,415 cannot be divided by just 1 and 842,415, it is not a prime number.