Q: Is 421,974 a Prime Number?
A: No, 421,974 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 421974 can be evenly divided by 1 2 3 6 7 9 14 17 18 21 34 42 51 63 102 119 126 153 197 238 306 357 394 591 714 1,071 1,182 1,379 1,773 2,142 2,758 3,349 3,546 4,137 6,698 8,274 10,047 12,411 20,094 23,443 24,822 30,141 46,886 60,282 70,329 140,658 210,987 and 421,974, with no remainder.
Since 421,974 cannot be divided by just 1 and 421,974, it is not a prime number.