What is the LCM of 420 and 1400?
The LCM of 420 and 1400 is 4200.
Steps to find LCM
- Find the prime factorization of 420
420 = 2 × 2 × 3 × 5 × 7 - Find the prime factorization of 1400
1400 = 2 × 2 × 2 × 5 × 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 × 2 × 3 × 5 × 5 × 7 - LCM = 4200
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Find least common multiple (LCM) of: 840 & 2800 210 & 700 1260 & 4200 2100 & 7000 84 & 280 2940 & 9800 60 & 200 840 & 1400 420 & 2800 1260 & 1400 420 & 4200 2100 & 1400 420 & 7000 2940 & 1400 420 & 9800
LCM Calculator
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