Question

find the HCF of the following

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Answer 1

Answer:

1. 390 and 663

663=390×1+273

390=273×1+117

273=117×2+39

117= 39×3+0

Hence the HCF of 390 and 663 is 39.

2. 504 and 5292

5292=504×10+252

504 =252×2+ 0

Hence the HCF of 504 and 5292 is 252.

3. 7625 and 8175

8175=7625×1+550

7625=550×13+475

550=475×1+75

475=75×6+25

75= 25×6+0

Hence the HCF of 7625 and 8175 is 25.

4. 12350 and 6845

12350=6845×1+5505

6845=5505×1+1340

5505= 1340×4+145

1340 = 145×9 +35

145 = 35×4 + 5

35 = 5×7 + 0

Hence the HCF of 12350 and 6845 is 5.

Answer 2

Answer:

Step-by-step explanation:

390 and 663

390) 663(1

390

___

273) 390(1

273