HCF of two numbers 36 and 90 is 18 . find their LCM.
Answers
Answered by
6
Answer:
product of two numbers = lcm×hcf
then lcm = 90×36/18 = 180 answer....
Answered by
1
Answer:
180
Step-by-step explanation:
1. Find the prime factorization of 36
36 = 2 × 2 × 3 × 3
2. Find the prime factorization of 90
90 = 2 × 3 × 3 × 5
3. Multiply each factor the greater number of times it occurs in steps 1 or 2 above to find the lcm:
LCM = 2 × 2 × 3 × 3 × 5
4. LCM = 180
OR
Product of LCM and HCF = Product of the 2 numbers
Then LCM = Product of the 2 numbers/HCF
= 36 x 90 / 18
= 3240 / 18
= 180
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