Q: Is 42,742 a Prime Number?
A: No, 42,742 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 42742 can be evenly divided by 1 2 7 14 43 71 86 142 301 497 602 994 3,053 6,106 21,371 and 42,742, with no remainder.
Since 42,742 cannot be divided by just 1 and 42,742, it is not a prime number.