Q: Is 491,645 a Prime Number?
A: No, 491,645 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 491645 can be evenly divided by 1 5 7 11 35 55 77 385 1,277 6,385 8,939 14,047 44,695 70,235 98,329 and 491,645, with no remainder.
Since 491,645 cannot be divided by just 1 and 491,645, it is not a prime number.