Q: Is 1,142,265 a Prime Number?
A: No, 1,142,265 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 1142265 can be evenly divided by 1 3 5 15 271 281 813 843 1,355 1,405 4,065 4,215 76,151 228,453 380,755 and 1,142,265, with no remainder.
Since 1,142,265 cannot be divided by just 1 and 1,142,265, it is not a prime number.