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What is the GCF and LCM of 5 and 15?

What is the GCF and LCM of 5 and 15?

GCF of 5 and 15 Examples Therefore, the LCM is 15. Example 2: Find the GCF of 5 and 15, if their LCM is 15. Therefore, the greatest common factor of 5 and 15 is 5.

How do you find the LCM factor?

Find the LCM using the prime factors method

  1. Find the prime factorization of each number.
  2. Write each number as a product of primes, matching primes vertically when possible.
  3. Bring down the primes in each column.
  4. Multiply the factors to get the LCM.

What is the LCM and 15?

LCM of 15 and 20 is the smallest number among all common multiples of 15 and 20. The first few multiples of 15 and 20 are (15, 30, 45, 60, 75, 90, 105, . . . ) and (20, 40, 60, 80, 100, 120, . . . ) respectively….LCM of 15 and 20.

1. LCM of 15 and 20
2. List of Methods
3. Solved Examples
4. FAQs

What is the HCF of 5 15?

Solution: The highest number that divides 5, 15, and 20 exactly is their highest common factor. The HCF of 5, 15, and 20 is 5. ∴ The highest number that divides 5, 15, and 20 is 5.

What is the LCM of 10 15 and 20?

60
Answer: LCM of 10, 15, and 20 is 60.

What is the LCM of 5 and 4?

20
Answer: LCM of 4 and 5 is 20.

What are the common multiples of 5 and 15?

Step 1: List a few multiples of 5 (5, 10, 15, 20, 25, 30, . . . ) and 15 (15, 30, 45, 60, 75, 90, 105, . . . . ) Step 2: The common multiples from the multiples of 5 and 15 are 15, 30, . . . Step 3: The smallest common multiple of 5 and 15 is 15.

What is the LCM of 15 and 3?

15
Answer: LCM of 3 and 15 is 15.

What is the LCM for 15 and 10?

30
Answer: LCM of 10 and 15 is 30.

What is the HCF of 5 15 and 20?

Answer: HCF of 5, 15 and 20 is 5.

How to find the LCM of 5 and 15?

The lcm of 5 and 15 is 15. Find the prime factorization of 5. 5 = 5. Find the prime factorization of 15. 15 = 3 × 5. Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm: LCM = 3 × 5. LCM = 15.

What is the least common multiples of 5 and 15?

Least common multiple ( LCM ) of 5 and 15 is 15. LCM(5,15) = 15. Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

What is the least common factor ( LCM )?

What is the Least common factor (LCM)? The least common multiple or lowest common multiples is the least number which is divisible by the numbers for which you are finding the LCM.

Which is the l.c.m of 3, 5 and 6?

The L.C.M of 3, 5 and 6 is 30. This means that the 30 is the common number that can be divided on any of the numbers between 3,5 and 6 to get the answer in integers. There are multiple methods of finding the Lowest common multiple between multiple numbers. Some of the ways are discussed below: How to find the LCM manually?