Find the L.C.M of 21,28,36,45
Answers
Answer:
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aftr one year
Answer:
1260
Step-by-step explanation:
by prime factorization :
21 = 3 × 7
28 = 2 × 2 × 7
36 = 2 × 2 × 3 × 3
45 = 3 × 3 × 5
LCM = 2² × 3² × 5 × 7
= 1260
hope it helps...............
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for knowledge :
what is LCM?
LCM is the method to find the smallest possible multiple of two or more numbers. LCM stands for Least common multiple. LCM of two numbers is divisible by both the numbers.
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what is HCF?
Highest Common Factor (HCF): The largest or greatest factor common to any two or more given natural numbers is termed as HCF of given numbers. Also known as GCD.
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