What is the LCM of 21 and 1024?
The LCM of 21 and 1024 is 21504.
Steps to find LCM
- Find the prime factorization of 21
21 = 3 × 7 - Find the prime factorization of 1024
1024 = 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 - Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the LCM:
LCM = 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 7 - LCM = 21504
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Find least common multiple (LCM) of: 42 & 2048 63 & 3072 105 & 5120 147 & 7168 42 & 1024 21 & 2048 63 & 1024 21 & 3072 105 & 1024 21 & 5120 147 & 1024 21 & 7168
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