305 - (42 +2) = 305 - 44 = 261
2 x 3 x 7 = 42 2 x 2 x 2 x 3 x 3 = 72
The highest common factor of 112 qnd 392 is 56
It is 7 which is the HCF of 35 and 42
1 and 5.
One and five.
60
It is 7
It is: 20
It goes into 24 twice, but not into 42. It goes into 48 four times.
7x6=42 7x4=28
seven