Q: Is 7,661,225 a Prime Number?
A: No, 7,661,225 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 7661225 can be evenly divided by 1 5 11 13 25 55 65 143 275 325 715 2,143 3,575 10,715 23,573 27,859 53,575 117,865 139,295 306,449 589,325 696,475 1,532,245 and 7,661,225, with no remainder.
Since 7,661,225 cannot be divided by just 1 and 7,661,225, it is not a prime number.