LCM for 120 and 324
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What's the Least Common Multiple (LCM) of 120 and 324?
Answer
LCM of 120 and 324 is
3,240
First common multiples: 3,240; 6,480; 9,720; …
3,240 is divisible by both: 3,240 ÷ 120 = 27; 3,240 ÷ 324 = 10 — and 27 and 10 share no factor but 1, so no smaller number is. As a common denominator: multiply the top and bottom of x/120 by 27 and of y/324 by 10.
120 = 23 × 3 × 5
324 = 22 × 34
| Prime | 120 | 324 | Highest power |
|---|---|---|---|
| 2 | 23 | 22 | 23 |
| 3 | 3 | 34 | 34 |
| 5 | 5 | — | 5 |
— = power 0: the prime is not a factor of this number; the LCM takes it from the number that has it.
LCM = 23 × 34 × 5 = 3,240
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See Also
- Greatest Common Factor - Find the Greatest Common Factor (GCF) of two numbers
- Least Common Multiple of 3 Numbers - Find the Least Common Multiple (LCM) of three numbers
- Greatest Common Factor of 3 Numbers - Find the Greatest Common Factor (GCF) of three numbers
- Multiples of a Number - List the first 10 multiples of any number from 1 to 999
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LCM Table
| Number 1 | Number 2 | LCM |
|---|---|---|
| 120 | 309 | 12,360 |
| 120 | 310 | 3,720 |
| 120 | 311 | 37,320 |
| 120 | 312 | 1,560 |
| 120 | 313 | 37,560 |
| 120 | 314 | 18,840 |
| 120 | 315 | 2,520 |
| 120 | 316 | 9,480 |
| 120 | 317 | 38,040 |
| 120 | 318 | 6,360 |
| 120 | 319 | 38,280 |
| 120 | 320 | 960 |
| 120 | 321 | 12,840 |
| 120 | 322 | 19,320 |
| 120 | 323 | 38,760 |
| 120 | 324 | 3,240 |
| 120 | 325 | 7,800 |
| 120 | 326 | 19,560 |
| 120 | 327 | 13,080 |
| 120 | 328 | 4,920 |
| 120 | 329 | 39,480 |
| 120 | 330 | 1,320 |
| 120 | 331 | 39,720 |
| 120 | 332 | 9,960 |
| 120 | 333 | 13,320 |
| 120 | 334 | 20,040 |
| 120 | 335 | 8,040 |
| 120 | 336 | 1,680 |
| 120 | 337 | 40,440 |
| 120 | 338 | 20,280 |