Find the LCM of 28 and 92.

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SSC CPO 2022 Tier-I Official Paper (Held On 11 Nov 2022 Shift 1) [Answer Key]
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  1. 464
  2. 644
  3. 161
  4. 322

Answer (Detailed Solution Below)

Option 2 : 644
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SSC CPO : General Intelligence & Reasoning Sectional Test 1
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Detailed Solution

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CONCEPT USED:

L.C.M  = Smallest multiple that two  or more numbers have in common 

CALCULATION:

Here, the numbers are 28 and 92  

Prime factorization of 28 and 92 are as follows 

28 = 22 × 7 

92 = 22 × 23 

L.C.M = 22 × 7 × 23 = 644 

Hence, the required L.C.M is 644 .

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