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