Q: Is 3,960,820 a Prime Number?
A: No, 3,960,820 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 3960820 can be evenly divided by 1 2 4 5 10 20 29 58 116 145 290 580 6,829 13,658 27,316 34,145 68,290 136,580 198,041 396,082 792,164 990,205 1,980,410 and 3,960,820, with no remainder.
Since 3,960,820 cannot be divided by just 1 and 3,960,820, it is not a prime number.