Q: Is 3,505,780 a Prime Number?
A: No, 3,505,780 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 3505780 can be evenly divided by 1 2 4 5 10 20 59 118 236 295 590 1,180 2,971 5,942 11,884 14,855 29,710 59,420 175,289 350,578 701,156 876,445 1,752,890 and 3,505,780, with no remainder.
Since 3,505,780 cannot be divided by just 1 and 3,505,780, it is not a prime number.