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LCM of 228, 974, 390, 980

Created By : Jatin Gogia
Reviewed By : Rajashekhar Valipishetty
Last Updated at : Mar 29,2023


Find the LCM of 228, 974, 390, 980 with the LCM of Two or More Numbers Calculator. Here we are teaching you two different methods through which you can calculate the LCM of 228, 974, 390, 980. So, keep reading to learn more.

 

LCM of:

Calculate the LCM of 228,974,390,980

Given numbers are 228,974,390,980

The least common multiple of numbers can be find using the prime factorization method or LCM formula.

The LCM of 228,974,390,980 is 353649660.

Find LCM of 228,974,390,980 with Prime Factorization


2 228, 974, 390, 980
2 114, 487, 195, 490
3 57, 487, 195, 245
5 19, 487, 65, 245
19, 487, 13, 49

Multiply the prime numbers at the bottom and the left side.

2 x 2 x 3 x 5 x 19 x 487 x 13 x 49 = 353649660

Therefore, the lowest common multiple of 228,974,390,980 is 353649660.

LCM Formula to Find Lowest Common Multiple of 228,974,390,980

LCM formula is LCM(a1, a2, an) = (a1 x a2 x an)/{GCF(a1 x a2 x an) x common factors}

Firstly, we have to find the product of all the numbers.

228 x 974 x 390 x 980 = 84875918400

Then, let us find the GCF of these five numbers. To do so, we have to list down the factors for each number and choose the highest factor that is in all of the lists.

228 : 1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228

974 : 1, 2, 487, 974

390 : 1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390

980 : 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980

2 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 228,974,390,980, is 2.

Now, the common factors can be found like this.

228:2x 2x 3x 19

974:2x 487

390:2x 3x 5x 13

980:2x 2x 5x 7x 7

From this, we can see that the common factors because they appear for more than two numbers. So, just multiply them all together.

2x 2x 2x 3x 5 = 120

Therefore, the value for common factors is 120.

Now that we have all the elements of the formula, we can plug them in to calculate the LCM.

LCM(a1, a2, an) = (a1 x a2 x an)/{GCF(a1 x a2 x an) x common factors}

LCM = 84875918400/(2x120)

LCM = 84875918400/240

LCM = 353649660

Thus, we can understand that the LCM of 228,974,390,980 is 353649660.

LCM of two or more Numbers Calculation Examples

FAQs on LCM of 228, 974, 390, 980

1. What is the LCM of 228, 974, 390, 980?

Answer: LCM of 228, 974, 390, 980 is 353649660.

2. How to calculate the LCM of 228, 974, 390, 980?

The LCM can be found using two methods. You can either use the LCM formula or the prime factorization method to calculate the LCM of 228, 974, 390, 980.

3. What is the LCM formula?

The LCM formula is LCM(a1, a2, an) = (a1 x a2 x an)/{GCF(a1 x a2 x an) x common factors}.