1.

Hcf and lcm 70 and 30​

Answer»

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→prime FACTORIZATION of 30

30 = 2 × 3 × 5

→ prime factorization of 70

70 = 2 × 5 × 7

Multiply each factor the GREATER number of times it OCCURS in steps above to find the lcm and hcf

LCM = 2 × 3 × 5 × 7

LCM = 210

HCF=2×5

HCF=10



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