Q: Is 7,740 a Prime Number?
A: No, 7,740 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 7740 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 18 20 30 36 43 45 60 86 90 129 172 180 215 258 387 430 516 645 774 860 1,290 1,548 1,935 2,580 3,870 and 7,740, with no remainder.
Since 7,740 cannot be divided by just 1 and 7,740, it is not a prime number.