Q: Is 842,156 a Prime Number?
A: No, 842,156 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 842156 can be evenly divided by 1 2 4 7 14 19 28 38 76 133 266 532 1,583 3,166 6,332 11,081 22,162 30,077 44,324 60,154 120,308 210,539 421,078 and 842,156, with no remainder.
Since 842,156 cannot be divided by just 1 and 842,156, it is not a prime number.