proper factor of 19
1 and 19
68.4
lol 211548==
They are: 7 and 12
It is scientifically and surgically possible.
No. Some proper factors are prime.
No, no prime number has proper factors.
1 doesn't have proper factors.
One has no proper factors.
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.