What is the LCM of 420 and 945?
The LCM of 420 and 945 is 3780.
Steps to find LCM
- Find the prime factorization of 420
420 = 2 × 2 × 3 × 5 × 7 - Find the prime factorization of 945
945 = 3 × 3 × 3 × 5 × 7 - Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the LCM:
LCM = 2 × 2 × 3 × 3 × 3 × 5 × 7 - LCM = 3780
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Find least common multiple (LCM) of: 840 & 1890 1260 & 2835 140 & 315 2100 & 4725 84 & 189 2940 & 6615 60 & 135 840 & 945 420 & 1890 1260 & 945 420 & 2835 2100 & 945 420 & 4725 2940 & 945 420 & 6615
LCM Calculator
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