What is the LCM of 840 and 7840?
The LCM of 840 and 7840 is 23520.
Steps to find LCM
- Find the prime factorization of 840
840 = 2 × 2 × 2 × 3 × 5 × 7 - Find the prime factorization of 7840
7840 = 2 × 2 × 2 × 2 × 2 × 5 × 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 × 2 × 2 × 3 × 5 × 7 × 7 - LCM = 23520
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Find least common multiple (LCM) of: 420 & 3920 168 & 1568 120 & 1120 1680 & 7840 2520 & 7840 4200 & 7840 5880 & 7840
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