Q: Is 1,670,346 a Prime Number?
A: No, 1,670,346 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 1670346 can be evenly divided by 1 2 3 6 9 18 71 142 213 426 639 1,278 1,307 2,614 3,921 7,842 11,763 23,526 92,797 185,594 278,391 556,782 835,173 and 1,670,346, with no remainder.
Since 1,670,346 cannot be divided by just 1 and 1,670,346, it is not a prime number.