1,2,3,4,5,6,10,12,15,20,30,60
The HCF of 39 and 20 is 1
Only the number 1.
These numbers go evenly into 20: 1, 2, 4, 5, 10, 20.
These are the whole numbers that go into 380 evenly: 1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380.
1,2,3,4,5,6,10,12,15,20,30,60
6 numbers can go into 20; they are 1, 2, 4, 5, 10 and 20.
Any of their multiples
1, 2, 4, 5, and 10 can go into 20.
The HCF of 39 and 20 is 1
A single number, 20, does not have a lowest common multiple! So there are no two numbers to go in.
No, but these numbers do go into 20 evenly: 1, 2, 4, 5, 10, 20.
The number which can go into 78 and 20 is the GCD of the two numbers which is 2.
Just 1.
1, 2, 4, 5, 10, 20.
Only the number 1.
Three sets