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It is 105 bacause 3*5*7 = 105

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Q: Lcm of 15 and 21 using prime factorization?
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Related questions

What is the LCM of and 60 using prime factorization?

Two or more numbers are normally needed to find the LCM


What is the LCM of 15 and 21 using prime factorization?

3 x 5 = 15 3 x 7 = 21 3 x 5 x 7 = 105, the LCM


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3 x 5 = 15 2 x 3 x 5 = 30 2 x 3 x 5 = 30, the LCM


What is prime factorization of 15 using exponents?

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12=22x3 15=3x5 So the LCM of 2, 12 and 15 is 22x3x5 = 60


What is the prime factorization using exponents of 15?

No prime power exists since there are no duplicate prime numbers in the prime factorization.


Using prime factorization find the LCM of 15 and 21?

3 x 5 = 15 3 x 7 = 21 Combine the factors, eliminating duplicates. 3 x 5 x 7 = 105, the LCM


What is the LCM of 6 15 20 plus work?

prime factorization of each: 2x3 , 3x5, 2x2x5 so LCM = 2x2x3x5 = 60


What is the least common multiple of 15 50 and 75?

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What are the prime factorization or 3 and 15 the find the LCM of both?

3 3 x 5 Since 15 is a multiple of 3, it is automatically the LCM.


What is the LCM of 3X5 and 3X7 Using prime factorization?

The LCM of the given numbers is the product of all different prime factors to their greatest power. If there are no exponents, the greatest power of the prime factors is 1 and each different prime factor is used in the multiplication:prime factors of 15 are 3 x 5;prime factors of 21 are 3 x 7;the LCM of 15 and 21 is 3 x 5 x 7 = 105


What is the prime factorization of 9 and 15?

Prime Factorization of 9 and 15The prime factorization of 9 is:3 X 3The prime factorization of 15 is:3 X 5