Question

Find the HCF and LCM of:
1. 117, 221
.IS
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Answer 1

Answer:

117= 3×3×13

221= 13×17

HCF= 13

LCM= 9×13×17

= 1989

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Answer 2

Answer:

HCF:13 LCM:1989

Step-by-step explanation:

117= 3*3*13

221=13*17

HCF=13

LCM=3*3*13*17= 1989