Q: Is 159,642 a Prime Number?
A: No, 159,642 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 159642 can be evenly divided by 1 2 3 6 7 9 14 18 21 42 49 63 98 126 147 181 294 362 441 543 882 1,086 1,267 1,629 2,534 3,258 3,801 7,602 8,869 11,403 17,738 22,806 26,607 53,214 79,821 and 159,642, with no remainder.
Since 159,642 cannot be divided by just 1 and 159,642, it is not a prime number.