Q: Is 421,300 a Prime Number?
A: No, 421,300 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 421300 can be evenly divided by 1 2 4 5 10 11 20 22 25 44 50 55 100 110 220 275 383 550 766 1,100 1,532 1,915 3,830 4,213 7,660 8,426 9,575 16,852 19,150 21,065 38,300 42,130 84,260 105,325 210,650 and 421,300, with no remainder.
Since 421,300 cannot be divided by just 1 and 421,300, it is not a prime number.