The HCF of the given numbers is 1
There is no number that goes into both. must be a trick questionthis is another person not the same one :)the number that goes into 12 and 21 is 3 which is a 5th grade problemwho ever said theres no number that goes into 12 and 21 is WRONG!
42 2 times 21 is 42 3 time 14 is 42
Nothing.. Because 21 is a Prime number
The number is 1.
(21/x) (12/100)= 175
It is the number 1
21 is composite number because it has more than one number that goes into it
No even number gose in 21. In fact there is none that goes in 21, either.
21
The number is 1.
3 is a prime factor of 12 and of 21.
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