Solution - Least common multiple (LCM)
1,260
Step by Step Solution
Least Common Multiple is :
1260Calculate Least Common Multiple for :
210, 315 and 420
Factorize of the above numbers :
210 = 2 • 3 • 5 • 7
315 = 32 • 5 • 7
420 = 22 • 3 • 5 • 7
Build a prime factors table
| Prime Factor | Number 210 | Number 315 | Number 420 | L.C.M (max) |
|---|---|---|---|---|
| 2 | 1 | 0 | 2 | 2 |
| 3 | 1 | 2 | 1 | 2 |
| 5 | 1 | 1 | 1 | 1 |
| 7 | 1 | 1 | 1 | 1 |
LCM = 22 • 32 • 5 • 7
Least Common Multiple is :
1260How did we do?
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