Question

Find the H.C.F. of the following using prime factorisation method :
1. 170, 238
2. 272, 425
3. 18, 24, 32
4. 91, 175, 49
5. 924, 1463, 1925
6. 150, 140, 210
7. 396, 720, 1080
8. 144, 252, 630
9. 1440, 1800, 1920
10. 72, 108, 180.
step by step explain please only 7 sy lekar 10 tak

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Answer 1

solution

7. 396 - 2×2×3×3×11

720 - 2×2×2×2×3×3×5

1080 - 2×2×2×3×3×3×5

8. 144 - 2×2×2×2×3×3

252 - 2×2×3×3×7

630 - 2×3×3×5×7

9. 1440 - 2×2×2×2×2×3×3×5

1800 - 2×2×2×3×3×5×5

1920 - 2×2×2×2×2×2×2×3×5

10. 72 - 2×2×2×3×3

108 - 2×2×3×3×3

180 - 2×2×3×3×5

I hope this is help you to understand If you have another question ask me thankyou.

Answer 2

Answer:

H. C. F. method

1. 34

2. 17

3. 2

4. 7

5. 77

6. 10

7. 36

8. 18

9. 120

10. 36

I hope this answer is help you.