Q: Is 670,542 a Prime Number?
A: No, 670,542 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 670542 can be evenly divided by 1 2 3 6 23 43 46 69 86 113 129 138 226 258 339 678 989 1,978 2,599 2,967 4,859 5,198 5,934 7,797 9,718 14,577 15,594 29,154 111,757 223,514 335,271 and 670,542, with no remainder.
Since 670,542 cannot be divided by just 1 and 670,542, it is not a prime number.