The numbers 1, 2 and 4.
The number that goes into both 42 and 12 is their greatest common divisor (GCD). The GCD of 42 and 12 is 6, as 6 is the largest number that can divide both without leaving a remainder. Therefore, 6 is the number that goes into both 42 and 12.
1,2.
The number that goes into both 12 and 72 equally is 12. This is because 72 divided by 12 equals 6, so 12 is a common divisor of both numbers.
1 and 3.
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!
120 40x3=120, 12x10=120
The HCF of both numbers is 1
The HCF of both numbers is 12
The HCF of both numbers is 6
You probably mean it goes into both 'evenly'. That's 12
1 does and so does 2. There are others but ...
The GCF of both numbers is 6