2 and 4
No, no prime number has proper factors.
24 has eight factors, which means it has six proper factors.
The set of factors includes one and the number itself. Proper factors do not include those two.
97 is prime. Prime numbers don't have proper factors.
No, prime numbers do not have proper factors.
No. Some proper factors are prime.
There are 50 8s in 400
There are 70 8s in 560
No, no prime number has proper factors.
1 doesn't have proper factors.
One has no proper factors.
Not sure what "ines" are. But there are 15 8s in 120.Not sure what "ines" are. But there are 15 8s in 120.Not sure what "ines" are. But there are 15 8s in 120.Not sure what "ines" are. But there are 15 8s in 120.
The proper factors of 26 are 2 and 13
The proper factors of 35 are 5 and 7.
Prime numbers don't have proper factors.
Prime numbers don't have proper factors.
Prime numbers don't have proper factors.