Q1.9 the product of two numbers is 1,33,600. If their HCF is 25, then find the LCM. Q2. Find the leat number which is exactly divisble by 18,24,and and 36
Answers
Answer:
1. 5344
2. 72
Step-by-step explanation:
1.
Product of two numbers = LCM * HCF
133600 = LCM * 25
LCM = 133600÷25
LCM = 5344 Answer
2.
For this question we have to find the LCM of 18, 24, 36
using prime factorisation method
18 = 2×3×3
24 = 2×2×2×3
36 = 2×2×3×3
LCM = 2×2×2×3×3 = 72
then the least number which is exactly divisible by 18, 24, 36 is 72
Given : the product of two numbers is 1,33,600.
their HCF is 25,
To find : the LCM.
least number which is exactly divisible by 18,24,and and 36
Solution:
LCM (a , b) * HCF ( a , b) = a * b
LCM * HCF = Product of two numbers
=> LCM * 25 = 133600
=> LCM = 5344
LCM is 5344
least number which is exactly divisible by 18,24,and and 36
will be LCM ( 18 , 24 , 36)
18 = 2*3*3
24 = 2 * 2 * 2 * 3
36 = 2 * 2 * 3 * 3
LCM = 2 * 2* 2 * 3 * 3 = 72
72 is the least number which is exactly divisible by 18,24,and and 36
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