Question: What are the factor of 15 and 18?

The factors of 15 and 18 are 1, 3, 5, 15 and 1, 2, 3, 6, 9, 18 respectively. There are 3 commonly used methods to find the GCF of 15 and 18 - long division, prime factorization, and Euclidean algorithm.

What is the prime factorization of 15 and 18?

SolutionWrite each number as a product of primes.15=3⋅518=2⋅3⋅3Write each number as a product of primes, matching primes vertically when possible.15=3⋅518=2⋅3⋅3Bring down the primes in each column.Multiply the factors to get the LCM.LCM = 2 • 3 • 3 • 5 The LCM of 15 and 18 is 90.Dec 20, 2020

What are factor for 18?

According to the definition of factors, the factors of 18 are 1, 2, 3, 6, 9, and 18. So,18 is a composite number as it has more factors other than 1 and itself.

What are the factor of 15?

Factors of 15 by Prime Factorization The factors of 15 are 1, 3, 5, and 15.

What multiples do 15 and 18 have in common?

To calculate the LCM of 15 and 18 by listing out the common multiples, we can follow the given below steps: Step 1: List a few multiples of 15 (15, 30, 45, 60, 75, 90, . . . ) and 18 (18, 36, 54, 72, 90, . . . . ) Step 2: The common multiples from the multiples of 15 and 18 are 90, 180, . . .

What is the H.C.F of 18?

Factors of 18 = 1, 2, 3, 6, 9 and 18. Therefore, common factor of 12 and 18 = 1, 2, 3 and 6. Highest common factor (H.C.F) of 12 and 18 = 6 [since 6 is the highest common factor]. 6.

What is the H.C.F of 9 15 and 18?

As you can see when you list out the factors of each number, 3 is the greatest number that 9, 15, and 18 divides into.

What is the factor of 18 and 27?

9 The GCF of 18 and 27 is 9. To calculate the greatest common factor (GCF) of 18 and 27, we need to factor each number (factors of 18 = 1, 2, 3, 6, 9, 18; factors of 27 = 1, 3, 9, 27) and choose the greatest factor that exactly divides both 18 and 27, i.e., 9.

Which is the smallest factor of 15 answer?

1 Factors of 15 are the whole numbers that can divide the original number, completely. There are four factors of 15, i.e, 1, 3, 5 and 15. Hence, the smallest factor is 1 and the greatest factor of 15 is 15, itself.

What is the factor of 10?

The factors of 10 are 1, 2, 5, 10 and its negative factors are -1, -2, -5, -10.

What is the HCF of 18?

Factors of 18 = 1, 2, 3, 6, 9 and 18. Therefore, common factor of 12 and 18 = 1, 2, 3 and 6. Highest common factor (H.C.F) of 12 and 18 = 6 [since 6 is the highest common factor]. 6.

What is the HCF 18 and 24?

6 Answer: HCF of 18 and 24 is 6.

What is the HCF of 18 and 16?

Well, The HCF (Highest Common Factor) of 16 and 18 is 2.

Why is 18 a perfect square?

A perfect square is a number that is generated by multiplying two equal integers by each other. For example, the number 9 is a perfect square because it can be expressed as a product of two equal integers: 9 = 3 x 3....Example 1.IntegerPerfect square17 x 1728918 x 1832419 x 1936120 x 2040021 more rows

IS 400 a perfect square?

The square root of a number is the number that when multiplied to itself gives the original number as the product. This shows that 400 is a perfect square.

What is the GCF of 15 and 30?

15 Answer: GCF of 15 and 30 is 15.

Which is the smallest factor of 15 15?

As we can see 1 is the smallest number. So 1 is the smallest factor of 15.

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