Q: Is 1,142,415 a Prime Number?
A: No, 1,142,415 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 1142415 can be evenly divided by 1 3 5 9 15 45 53 159 265 477 479 795 1,437 2,385 2,395 4,311 7,185 21,555 25,387 76,161 126,935 228,483 380,805 and 1,142,415, with no remainder.
Since 1,142,415 cannot be divided by just 1 and 1,142,415, it is not a prime number.