Question

II. Find the HCF by division method:
a) 30 and 50​

Answer 1

Answer:

30 = 3×2×5

50 = 5×2×5

= 3×2×5×5

= 150

Answer 2

Step-by-step explanation:

Factors of 30 (Thirty) = 1, 2, 3, 5, 6, 10, 15 and 30. Factors of 24 (Twenty four) = 1, 2, 3, 4, 6, 8, 12 and 24. Therefore, common factor of 30 (Thirty) and 24 (Twenty four = 1, 2, 3, and 6. Highest common factor (H.C.F) of 30 (Thirty) and 24 (Twenty four = 6.

• Factors of 50 (Fifty) = 1, 2, 5, 10, 25 and 50. Factors of 70 (Seventy) = 1, 2, 5, 14, 7, 10, 35 and 70. Therefore, common factor of 50 (Fifty) and 70 (Seventy) = 1, 2, 5, 10. Highest common factor (H.C.F) of 50 (Fifty) and 70 (Seventy) = 10.

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