What is the LCM of 42 and 3920?
The LCM of 42 and 3920 is 11760.
Steps to find LCM
- Find the prime factorization of 42
42 = 2 × 3 × 7 - Find the prime factorization of 3920
3920 = 2 × 2 × 2 × 2 × 5 × 7 × 7 - 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 × 3 × 5 × 7 × 7 - LCM = 11760
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Find least common multiple (LCM) of: 84 & 7840 21 & 1960 6 & 560 84 & 3920 42 & 7840 126 & 3920 210 & 3920 294 & 3920
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