GCF and another sum 24+40 worked out

First u see what give us the number 24 and 40 by multiplcation 4 times 6 = 24. 4 times 10 = 40 and do the factor three to find gcf the larger nuber u get u put so the GCF is 4.

(4 times 6) + (4 times 10)

4 (6+10) done