What is the LCM of 1680 and 1890?
The LCM of 1680 and 1890 is 15120.
Steps to find LCM
- Find the prime factorization of 1680
1680 = 2 × 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 × 2 × 3 × 3 × 3 × 5 × 7 - LCM = 15120
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Find least common multiple (LCM) of: 3360 & 3780 840 & 945 5040 & 5670 560 & 630 8400 & 9450 336 & 378 240 & 270 3360 & 1890 1680 & 3780 5040 & 1890 1680 & 5670 8400 & 1890 1680 & 9450
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