Q: Is 8,321,740 a Prime Number?
A: No, 8,321,740 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 8321740 can be evenly divided by 1 2 4 5 7 10 14 20 28 35 70 140 59,441 118,882 237,764 297,205 416,087 594,410 832,174 1,188,820 1,664,348 2,080,435 4,160,870 and 8,321,740, with no remainder.
Since 8,321,740 cannot be divided by just 1 and 8,321,740, it is not a prime number.