Q: Is 77,742 a Prime Number?
A: No, 77,742 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 77742 can be evenly divided by 1 2 3 6 7 9 14 18 21 42 63 126 617 1,234 1,851 3,702 4,319 5,553 8,638 11,106 12,957 25,914 38,871 and 77,742, with no remainder.
Since 77,742 cannot be divided by just 1 and 77,742, it is not a prime number.