Q: Is 428,460 a Prime Number?
A: No, 428,460 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 428460 can be evenly divided by 1 2 3 4 5 6 10 12 15 20 30 37 60 74 111 148 185 193 222 370 386 444 555 579 740 772 965 1,110 1,158 1,930 2,220 2,316 2,895 3,860 5,790 7,141 11,580 14,282 21,423 28,564 35,705 42,846 71,410 85,692 107,115 142,820 214,230 and 428,460, with no remainder.
Since 428,460 cannot be divided by just 1 and 428,460, it is not a prime number.