1
39
The number that goes into both 28 and 30 is 2. This is because both 28 and 30 are even numbers, and 2 is the only common factor they share. Additionally, both 28 and 30 can be divided evenly by 2, resulting in whole numbers.
The highest common factor of both number is 28
263 divided by 28 equals 9 with a remainder of 11.
2
7
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.
1, 2, and 4 go evenly into both 28 and 36.
1, 2 and 4
The HCF of both numbers is 7
-11 + x = 17add 11 to both sidesx = 28
It is 1