Q: Is 121,842 a Prime Number?
A: No, 121,842 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 121842 can be evenly divided by 1 2 3 6 7 9 14 18 21 42 63 126 967 1,934 2,901 5,802 6,769 8,703 13,538 17,406 20,307 40,614 60,921 and 121,842, with no remainder.
Since 121,842 cannot be divided by just 1 and 121,842, it is not a prime number.