Q: Is 421,792 a Prime Number?
A: No, 421,792 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 421792 can be evenly divided by 1 2 4 7 8 14 16 28 32 49 56 98 112 196 224 269 392 538 784 1,076 1,568 1,883 2,152 3,766 4,304 7,532 8,608 13,181 15,064 26,362 30,128 52,724 60,256 105,448 210,896 and 421,792, with no remainder.
Since 421,792 cannot be divided by just 1 and 421,792, it is not a prime number.