Exercise 2
Find the H.C.F. of the following numbers.
1. 480.540 and 600.
2. 28. 84 and 98.
3. 180 and 288.
4. 54. 126 and 162.
5. 84,156 and 204.
6. 4017.2163 and 3399.
7. 66,99 and 114.
8. 99, 108, 405 and 315.
11
Answers
Answered by
1
Answer:
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Answered by
1
Answer:
1)480=2×2×2×2×2×3×5
540=2×2×3×3×3×5
600=2×2×2×3×5×5
HCF=2×2×3×5=60
2)28=2×2×7
84=2×2×3×7
98=2×7×7
HCF=2×7=14
3)180=2×2×3×3×5
288=2×2×2×2×3×3
HCF=2×2×3×3=36
4)54=2×3×3×3
126=2×3×3×7
162=2×3×3×3×3
HCF=2×3×3=18
5)84=2×2×3×7
156=2×2×3×13
204=2×2×3×17
HCF=2×2×3=12
6)4017=3×13×103
2163=3×7×103
3399=3×11×103
HCF=3×103=309
7)66=2×3×11
99=3×3×11
114=2×3×19
HCF=3
8)99=3×3×11
108=2×2×3×3×3
405=3×3×3×3×5
315=3×3×5×7
HCF=3×3=9
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