Question

First find the common
factors of the following
numbers. Then mark their
HCE :
a. 28,32
b. 9,15​

Answer 1

Answer:

1,2, and 4 are the common factors of 28 and 32

Step-by-step explanation:

2 |28 2 |32

2 |14 2 |16

7 |7 2 |8

1 |1 2 |4

2 |2

1 |1

factors of 28=2✖️2✖️7

factors of 32=2✖️2✖️2✖️2✖️2

common factors of 28 and 32=2✖️2

=4

Answer 2

Answer:

= 2|28. 2|32

= 2|14. 2|16

= 7|7. 2|8

= |1. 2|4

=. 2|2

=. |1

= 28=2×2×7

=32=2×2×2×2×2

Common factors of 28 and 32 = 2×2

=4

= 3|9. 3|15

= 3|3. 5|5

=. |1. |1

= 9=3×3

=15=3×5

Common factor of 9 and 15 = 3

Step-by-step explanation:

hope it's helpful

mark as brainliest