What is the LCM of 840 and 1764?
The LCM of 840 and 1764 is 17640.
Steps to find LCM
- Find the prime factorization of 840
840 = 2 × 2 × 2 × 3 × 5 × 7 - Find the prime factorization of 1764
1764 = 2 × 2 × 3 × 3 × 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 × 3 × 3 × 5 × 7 × 7 - LCM = 17640
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Find least common multiple (LCM) of: 1680 & 3528 420 & 882 2520 & 5292 280 & 588 4200 & 8820 120 & 252 1680 & 1764 840 & 3528 2520 & 1764 840 & 5292 4200 & 1764 840 & 8820 5880 & 1764
LCM Calculator
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