Step-by-step explanation:
1.
a) 20 : 1, 2, 4, 5, 10, 20
28 : 1, 2, 4, 7, 14, 28
Common factor : 1, 2, 4
b) 15 : 1, 3, 5, 15
25 : 1, 5, 25
Common factor : 1, 5
2.
a) 4 : 1, 2, 4
8 : 1, 2, 4, 8
12 : 1, 2, 3, 4, 6, 12
b) 5 : 1, 5
15 : 1, 3, 5, 15
Answer:
Q1.
a) Factors of 20= 1,2,4,5,10,20
Factors of 28= 1,2,4,7,14,28
Common factors = 1,2,4.
b) Factors of 15= 1,3,5,15
Factors of 25= 1,5,25
Common factors = 1,5.
Q2.
a) Factors of 4= 1, 2 and 4
Factors of 8= 1, 2, 4 and 8
Factors of 12= 1, 2, 3, 4, 6 and 12
Common factors = 1, 2, and 4.
b) Factors of 5= 1 and 5
Factors of 15= 1, 3, 5 and 15
Factors of 25= 1, 5 and 25
Common factors = 1 and 5
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Answers & Comments
Verified answer
Step-by-step explanation:
1.
a) 20 : 1, 2, 4, 5, 10, 20
28 : 1, 2, 4, 7, 14, 28
Common factor : 1, 2, 4
b) 15 : 1, 3, 5, 15
25 : 1, 5, 25
Common factor : 1, 5
2.
a) 4 : 1, 2, 4
8 : 1, 2, 4, 8
12 : 1, 2, 3, 4, 6, 12
Common factor : 1, 2, 4
b) 5 : 1, 5
15 : 1, 3, 5, 15
25 : 1, 5, 25
Common factor : 1, 5
Answer:
Q1.
a) Factors of 20= 1,2,4,5,10,20
Factors of 28= 1,2,4,7,14,28
Common factors = 1,2,4.
b) Factors of 15= 1,3,5,15
Factors of 25= 1,5,25
Common factors = 1,5.
Q2.
a) Factors of 4= 1, 2 and 4
Factors of 8= 1, 2, 4 and 8
Factors of 12= 1, 2, 3, 4, 6 and 12
Common factors = 1, 2, and 4.
b) Factors of 5= 1 and 5
Factors of 15= 1, 3, 5 and 15
Factors of 25= 1, 5 and 25
Common factors = 1 and 5
Step-by-step explanation:
Hope this helps, if it does then do mark as brainliest.
Have a good day!