2 is the lowest multiple of 6 and 28. 2 goes in 6 3 times 2 goes in 28 14 times
2 goes evenly into 4 and 28
28 goes into 7 and 2, while 30 goes into 15 and 2.
One.
4 with 4 remaining 28 - 4 = 24 = 6 x 4
The highest common factor of both number is 28
Any of their factors.
7
It is: 1
2
The HCF is 4
When figuring out what number goes both into 21 and 28, you should look at the factor paris. 21: 1 x 21, 3 x 7 28: 1, 28, 2 x 14, 4 x 7 7 goes into both 21 and 28.