Q: Is 426,780 a Prime Number?
A: No, 426,780 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 426780 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 2,371 4,742 7,113 9,484 11,855 14,226 21,339 23,710 28,452 35,565 42,678 47,420 71,130 85,356 106,695 142,260 213,390 and 426,780, with no remainder.
Since 426,780 cannot be divided by just 1 and 426,780, it is not a prime number.