Q: Is 2,142,736 a Prime Number?
A: No, 2,142,736 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 2142736 can be evenly divided by 1 2 4 8 16 157 314 628 853 1,256 1,706 2,512 3,412 6,824 13,648 133,921 267,842 535,684 1,071,368 and 2,142,736, with no remainder.
Since 2,142,736 cannot be divided by just 1 and 2,142,736, it is not a prime number.