Q: Is 491,720 a Prime Number?
A: No, 491,720 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 491720 can be evenly divided by 1 2 4 5 8 10 19 20 38 40 76 95 152 190 380 647 760 1,294 2,588 3,235 5,176 6,470 12,293 12,940 24,586 25,880 49,172 61,465 98,344 122,930 245,860 and 491,720, with no remainder.
Since 491,720 cannot be divided by just 1 and 491,720, it is not a prime number.