Q: Is 628,460 a Prime Number?
A: No, 628,460 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 628460 can be evenly divided by 1 2 4 5 7 10 14 20 28 35 67 70 134 140 268 335 469 670 938 1,340 1,876 2,345 4,489 4,690 8,978 9,380 17,956 22,445 31,423 44,890 62,846 89,780 125,692 157,115 314,230 and 628,460, with no remainder.
Since 628,460 cannot be divided by just 1 and 628,460, it is not a prime number.