Q: Is 4,721,625 a Prime Number?
A: No, 4,721,625 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 4721625 can be evenly divided by 1 3 5 9 15 25 27 45 75 125 135 225 375 675 1,125 1,399 3,375 4,197 6,995 12,591 20,985 34,975 37,773 62,955 104,925 174,875 188,865 314,775 524,625 944,325 1,573,875 and 4,721,625, with no remainder.
Since 4,721,625 cannot be divided by just 1 and 4,721,625, it is not a prime number.