Q: Is 3,521,500 a Prime Number?
A: No, 3,521,500 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 3521500 can be evenly divided by 1 2 4 5 10 20 25 50 100 125 250 500 7,043 14,086 28,172 35,215 70,430 140,860 176,075 352,150 704,300 880,375 1,760,750 and 3,521,500, with no remainder.
Since 3,521,500 cannot be divided by just 1 and 3,521,500, it is not a prime number.