Math, asked by fuzzy9230, 2 months ago

Find lcm and hcf of the following integers by the prime fratarization method
a) 17,23 and 29
b)306 and 657

Answers

Answered by disha006
1

Answer:

a) 17= 17*1, 23= 23*1, and 29=29*1

LCM= 17*23*29

     = 11339

HCF= 1

Step-by-step explanation:

Answered by mohnishkrishna05
0

:

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Using prime factorisation method:

(i) 12, 15 and 21

Factor of 12=2×2×3

Factor of 15=3×5

Factor of 21=3×7

HCF (12,15,21)=3

LCM (12,15,21)=2×2×3×5×7=420

(ii) 17, 23 and 29

Factor of 17=1×17

Factor of 23=1×23

Factor of 29=1×29

HCF (17,23,29)=1

LCM (17,23,29)=1×17×23×29=11,339

(iii) 8, 9 and 25

Factor of 8=2×2×2×1

Factor of 9=3×3×1

Factor of 25=5×5×1

HCF (8,9,25)=1

LCM (8,9,25)=2×2×2×3×3×5×5=1,800

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