Q: Is 8,425,780 a Prime Number?
A: No, 8,425,780 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 8425780 can be evenly divided by 1 2 4 5 10 11 20 22 44 55 110 220 38,299 76,598 153,196 191,495 382,990 421,289 765,980 842,578 1,685,156 2,106,445 4,212,890 and 8,425,780, with no remainder.
Since 8,425,780 cannot be divided by just 1 and 8,425,780, it is not a prime number.