Quick Answer: What Is The GCF Of 12 And 28?

What is the GCF of 24 and 18?

We found the factors and prime factorization of 18 and 24.

The biggest common factor number is the GCF number.

So the greatest common factor 18 and 24 is 6..

What are prime factors of 28?

28 is a composite number. 28 = 1 x 28, 2 x 14, or 4 x 7. Factors of 28: 1, 2, 4, 7, 14, 28. Prime factorization: 28 = 2 x 2 x 7, which can also be written 28 = 2² x 7.

What is the HCF of 15 and 30?

The common factors of 15 and 30 are 1, 3, 5, and 15. The greatest common factor is 15.

What are two factors of 28?

28 is a composite number. 28 = 1 x 28, 2 x 14, or 4 x 7. Factors of 28: 1, 2, 4, 7, 14, 28. Prime factorization: 28 = 2 x 2 x 7, which can also be written 28 = 2² x 7.

What is the GCF for 28?

The greatest common factor circled is the GCF. The GCF of 28 and 36 is 4.

What is the GCF of 24 and 40?

Greatest common factor (GCF) of 24 and 40 is 8. We will now calculate the prime factors of 24 and 40, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 24 and 40.

What is the GCF of 9 24?

Greatest common factor (GCF) of 9 and 24 is 3. We will now calculate the prime factors of 9 and 24, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 9 and 24.

What are all the factors of 28 and 12?

The factors of 12 are 12, 6, 4, 3, 2, 1. The factors of 28 are 28, 14, 7, 4, 2, 1. The common factors of 12 and 28 are 4, 2, 1, intersecting the two sets above. In the intersection factors of 12 ∩ factors of 28 the greatest element is 4.

What is the GCF of 16 and 36?

We found the factors and prime factorization of 16 and 36. The biggest common factor number is the GCF number. So the greatest common factor 16 and 36 is 4.

What is the GCF of 24 and 28?

Greatest common factor (GCF) of 24 and 28 is 4. We will now calculate the prime factors of 24 and 28, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 24 and 28.

What are the all factors of 28?

Answer: The number 28 can be written as 1 x 2 x 2 x 7. All the factors of 28 can be found out through the methods of factorization and division. Through the factorization, the factors of 28 are found to be 1, 2, 4, 7, 14, and 28. The pair factors are (1,28), (2,14), (4,7), (-1,-28), (-2,-14), (-4,-7).

Is 28 a perfect number?

Perfect number, a positive integer that is equal to the sum of its proper divisors. The smallest perfect number is 6, which is the sum of 1, 2, and 3. Other perfect numbers are 28, 496, and 8,128.

What is the HCF of 12 15 and 60?

HCF Example The factors of 12 are : 1, 2, 3, 4, 6, 12. The factors of 15 are : 1, 3, 5, 15. 1 and 3 are the only common factors (numbers which are factors of both 12 and 15). Therefore, the highest common factor of 12 and 15 is 3.

What is the GCF of 24?

Answer and Explanation: The GCF of 24 and 36 is 12. ‘GCF’ means ‘greatest common factor’. That’s the greatest, or largest, factor that the two numbers share.

What is the GCF of 15 60?

Answer and Explanation: The greatest common factor of 15 and 60 is 15. To find the greatest common factor, you first need to find all the factors of each number you are…

What is the HCF of 28 and 56?

The common factors of 28 and 56 are 28, 14, 7, 4, 2, 1, intersecting the two sets above. In the intersection factors of 28 ∩ factors of 56 the greatest element is 28. Therefore, the greatest common factor of 28 and 56 is 28.

What is the GCF of 15 and 9?

Greatest common factor (GCF) of 9 and 15 is 3.

What is the GCF of 4 and 10?

The GCF = 2. Both 4 and 10 are even, so they must have a common factor of 2.