Q: Is 428,769 a Prime Number?
A: No, 428,769 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 428769 can be evenly divided by 1 3 9 11 33 61 71 99 183 213 549 639 671 781 2,013 2,343 4,331 6,039 7,029 12,993 38,979 47,641 142,923 and 428,769, with no remainder.
Since 428,769 cannot be divided by just 1 and 428,769, it is not a prime number.