find lcm and gcd of 20 and 18 by prime factorization method
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Answer:
LCM 180. and HCF 2
Explanation:
- Prime Factors of 20 are 2x2x5
- Prime Factors of 18. are 2x3x3
- LCM will be 2x2x5x3x3=180
- HCF will be 2
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