What is the LCM of 420 and 2520?
The LCM of 420 and 2520 is 2520.
Steps to find LCM
- Find the prime factorization of 420
420 = 2 × 2 × 3 × 5 × 7 - Find the prime factorization of 2520
2520 = 2 × 2 × 2 × 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 × 5 × 7 - LCM = 2520
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Find least common multiple (LCM) of: 840 & 5040 210 & 1260 1260 & 7560 140 & 840 84 & 504 60 & 360 840 & 2520 420 & 5040 1260 & 2520 420 & 7560 2100 & 2520 2940 & 2520
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