Q: Is 1,318,518 a Prime Number?
A: No, 1,318,518 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 1318518 can be evenly divided by 1 2 3 6 9 18 27 54 81 162 243 486 2,713 5,426 8,139 16,278 24,417 48,834 73,251 146,502 219,753 439,506 659,259 and 1,318,518, with no remainder.
Since 1,318,518 cannot be divided by just 1 and 1,318,518, it is not a prime number.