Factors of 21... 1,3,7,21
Factors of 76... 1,2,4,19,38,76
Common factors to both numbers... 1
Nothing.. Because 21 is a Prime number
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!
The number is 1.
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.
34+21 = 55 and 70-21 = 55
The number is 1.
7
It is 1
It is: 1
1