What is the LCM of 840 and 1890?
The LCM of 840 and 1890 is 7560.
Steps to find LCM
- Find the prime factorization of 840
840 = 2 × 2 × 2 × 3 × 5 × 7 - Find the prime factorization of 1890
1890 = 2 × 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 × 2 × 3 × 3 × 3 × 5 × 7 - LCM = 7560
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Find least common multiple (LCM) of: 1680 & 3780 420 & 945 2520 & 5670 280 & 630 4200 & 9450 168 & 378 120 & 270 1680 & 1890 840 & 3780 2520 & 1890 840 & 5670 4200 & 1890 840 & 9450 5880 & 1890
LCM Calculator
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