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The lcm of 45 and 135 is 135.

- Find the prime factorization of 45

45 = 3 × 3 × 5 - Find the prime factorization of 135

135 = 3 × 3 × 3 × 5 - Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:

LCM = 3 × 3 × 3 × 5 - LCM =
**135**

Find least common multiple (lcm) of: 90 & 270 135 & 405 15 & 45 225 & 675 9 & 27 315 & 945 90 & 135 45 & 270 135 & 135 45 & 405 225 & 135 45 & 675 315 & 135 45 & 945

Enter two numbers separate by comma. To find lcm of more than two numbers, click here.

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