Q: Is 918,621 a Prime Number?
A: No, 918,621 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 918621 can be evenly divided by 1 3 9 11 27 33 81 99 297 891 1,031 3,093 9,279 11,341 27,837 34,023 83,511 102,069 306,207 and 918,621, with no remainder.
Since 918,621 cannot be divided by just 1 and 918,621, it is not a prime number.