Given numbers are 672,639,673,490

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

The LCM of 672,639,673,490 is 3371568480.

Find LCM of 672,639,673,490 with Prime Factorization

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

2 x 3 x 7 x 16 x 213 x 673 x 35 = 3371568480

Therefore, the lowest common multiple of 672,639,673,490 is 3371568480.

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.

672 x 639 x 673 x 490 = 141605876160

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.

672 : 1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672

639 : 1, 3, 9, 71, 213, 639

673 : 1, 673

490 : 1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 672,639,673,490, is 1.

Now, the common factors can be found like this.

672:2x 2x 2x 2x 2x 3x 7

639:3x 3x 71

673:673

490:2x 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 3x 7 = 42

Therefore, the value for common factors is 42.

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 = 141605876160/(1x42)

LCM = 141605876160/42

LCM = 3371568480

Thus, we can understand that the LCM of 672,639,673,490 is 3371568480.

Here are some samples of LCM of two or more Numbers calculations.

• LCM of 504, 868, 243, 657
• LCM of 361, 447, 268, 852
• LCM of 960, 380, 379, 996
• LCM of 722, 877, 487, 103
• LCM of 645, 222, 214, 258

1. What is the LCM of 672, 639, 673, 490?

Answer: LCM of 672, 639, 673, 490 is 3371568480.

2. How to calculate the LCM of 672, 639, 673, 490?

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 672, 639, 673, 490.

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}.