proper factor of 19
1 and 19
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They are: 7 and 12
It is scientifically and surgically possible.
No. Some proper factors are prime.
No, no prime number has proper factors.
One has no proper factors.
1 doesn't have proper factors.
Fluorine is a non metal element. Atomic mass number of it is 19.
Prime numbers don't have proper factors.
The proper factors of 35 are 5 and 7.