LCM of 7 and 9:

Exploring the Different Methods

Greetings, young math enthusiasts! Today, we’re setting off on a captivating journey to unravel the magical connection between the numbers 7 and 9. Buckle up for an exciting exploration into the captivating realm of mathematics!

lcm of 7 and 9

LCM of 7 and 9:

Exploring the Different Methods

Greetings, young math enthusiasts! Today, we’re setting off on a captivating journey to unravel the magical connection between the numbers 7 and 9. Buckle up for an exciting exploration into the captivating realm of mathematics!

lcm of 7 and 9

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LCM of 7 and 9

Methods for Finding LCM 

Prime Factorization Method 

Division Method 

Listing the Multiples 

What is LCM of 7 and 9?

The LCM of 7 and 9 is 63. Understanding the LCM is like possessing a key to unlock perplexing math puzzles and making fractions your allies. Let’s embark on three incredible methods to unveil this mystical number!

How to Find LCM of 7 and 9?

Before we dive into our quest to find the Least Common Multiple (LCM) of 7 and 9, let’s discover the remarkable methods at our disposal. It’s akin to having three enchanting tools for a special mission. Here they are:

  1. Prime Factorization Method: We’ll find secret numbers that help us figure out the LCM.
  2. Division Method: It’s like going on a journey of dividing numbers until we get to the LCM.
  3. Listing the Multiples: We’ll list out the friends of 7 and 9 until we find the one they both like – that’s our LCM.
 

Now, let’s use these tools to solve the mystery of the LCM for 7 and 9. Ready? Let’s go!

1. Prime Factorization Method

Visualize numbers as detectives and dissect 7 and 9 into their prime agents:

  • 7 = 7 x 1
  • 9 = 3 x 3


Now, combine these agents to discover the LCM magic: LCM(7, 9) = 7 x 3 x 3 = 63.

2. Division Method

Embark on a division expedition! Divide 7 and 9 by their prime agents until you reach the end of the road:

division method lcm 7 and 9

Multiply those divisors: LCM (7, 9) = 7 x 3 x 3 = 63. 

3. Listing Method

Unleash the power of a 100 square to find the Least Common Multiple (LCM) of 7 and 9. Follow these steps for an engaging exploration:

 

1. Identify multiples of the first number (7)

Multiples of 7: 7, 14, 21, 28, 35, …

listing multiples 7

 

2. Identify multiples of the second number (9)

Multiples of 9: 9, 18, 27, 36, 45, …

listing multiples lcm 9

 

3. Find the smallest common multiple

Look for numbers that appear in both lists. In this case, 63 is the smallest number that is a multiple of both 7 and 9.

listing multiples 7 and 9

 

Therefore, the LCM of 7 and 9 is 63.

And there you have it, young math unravelers! Discovering the LCM of 7 and 9 is like unlocking a chest of numerical wonders where each digit holds a piece of the mystery. Keep exploring, keep smiling, and enjoy the enchanting world of math!

 

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