The least common multiple of 9 and 3 is 9. To find the least common multiple [3][2], you need to find the multiples of both numbers, and then select the smallest number that is common to both. The multiples of 3 are 3, 6, 9, 12, 15, 18, etc., and the multiples of 9 are 9, 18, 27, 36, 45, etc. As you can see, the smallest number that appears in both lists is 9, so 9 is the least common multiple.
How to Find Least Common Multiple of 9 and 3?
The LCM of 9 and 3 is 9. Steps to find LCM: Find the prime factorization of 9 (9 = 3 × 3) and 3 (3 = 3); Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the LCM: LCM = 3 × 3 LCM = 9.
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