Question

what is the HCF of two composite numbers.

Answer 1

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Answer :-

HCF of the smallest prime number and the smallest composite number is 2.

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Other Information :-

In mathematics, the greatest common divisor of two or more integers, which are not all zero, is the largest positive integer that divides each of the integers. For two integers x, y, the greatest common divisor of x and y is denoted {\displaystyle \gcd}

Method :-

➥ Method 1: We write all the factors of each number, and from these we mark the common factors. The greatest factor marked will be the GCF of those numbers.

➥ Method 2: We break down each number into its prime factors. Then, we mark the common prime factors, including repeats.

Activity :-

Here's the list of greatest common factor activities:

• Great CommonFactor Mazes.
• Greatest Common Factor Bingo.
• Knockout Game.
• MathGames.com.
• Quizizz.
• Kahoot.
• Factors with Friends Dice Game.
• Ring the GCF.

Properties :-

➥ The GCF of two or more numbers cannot be greater than any of the numbers.

➥ The GCF of two numbers where one of the numbers is a prime number is either 1 or the prime number itself (this happens when the other number is a multiple of the prime number).

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