Q: Is 842,574 a Prime Number?
A: No, 842,574 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 842574 can be evenly divided by 1 2 3 6 19 38 57 114 361 389 722 778 1,083 1,167 2,166 2,334 7,391 14,782 22,173 44,346 140,429 280,858 421,287 and 842,574, with no remainder.
Since 842,574 cannot be divided by just 1 and 842,574, it is not a prime number.