Q: Is 421,610 a Prime Number?
A: No, 421,610 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 421610 can be evenly divided by 1 2 5 7 10 14 19 35 38 70 95 133 190 266 317 634 665 1,330 1,585 2,219 3,170 4,438 6,023 11,095 12,046 22,190 30,115 42,161 60,230 84,322 210,805 and 421,610, with no remainder.
Since 421,610 cannot be divided by just 1 and 421,610, it is not a prime number.