Q: Is 2,142,764 a Prime Number?
A: No, 2,142,764 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 2142764 can be evenly divided by 1 2 4 13 26 52 89 178 356 463 926 1,157 1,852 2,314 4,628 6,019 12,038 24,076 41,207 82,414 164,828 535,691 1,071,382 and 2,142,764, with no remainder.
Since 2,142,764 cannot be divided by just 1 and 2,142,764, it is not a prime number.