Q: Is 491,625 a Prime Number?
A: No, 491,625 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 491625 can be evenly divided by 1 3 5 9 15 19 23 25 45 57 69 75 95 115 125 171 207 225 285 345 375 437 475 575 855 1,035 1,125 1,311 1,425 1,725 2,185 2,375 2,875 3,933 4,275 5,175 6,555 7,125 8,625 10,925 19,665 21,375 25,875 32,775 54,625 98,325 163,875 and 491,625, with no remainder.
Since 491,625 cannot be divided by just 1 and 491,625, it is not a prime number.