Question

SOLVE 4),5) and 6)


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Answer 1

4. COMMON FACTORS OF 12 AND 5 : IT IS ONLY 1.

    so hcf is also 1

5. Factors of 140: 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140. Prime factorization: 140 = 2 x 2 x 5 x 7, which can also be written 140 = 2² x 5 x 7.

6.  COMMON FACTORS OF 20 AND 5 : IT IS ONLY 5.

    so hcf is also 5

Answer 2

Answer:

Refers to the attachment