Q: Is 7,740,642 a Prime Number?
A: No, 7,740,642 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 7740642 can be evenly divided by 1 2 3 6 7 13 14 21 26 39 42 78 91 182 273 546 14,177 28,354 42,531 85,062 99,239 184,301 198,478 297,717 368,602 552,903 595,434 1,105,806 1,290,107 2,580,214 3,870,321 and 7,740,642, with no remainder.
Since 7,740,642 cannot be divided by just 1 and 7,740,642, it is not a prime number.