Given numbers are 391,908,974,991

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

The LCM of 391,908,974,991 is 171342548276.

Find LCM of 391,908,974,991 with Prime Factorization

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

2 x 391 x 454 x 487 x 991 = 171342548276

Therefore, the lowest common multiple of 391,908,974,991 is 171342548276.

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.

391 x 908 x 974 x 991 = 342685096552

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.

391 : 1, 17, 23, 391

908 : 1, 2, 4, 227, 454, 908

974 : 1, 2, 487, 974

991 : 1, 991

1 is the greatest number that appears in all the lists. Therefore, we can determine that the GCF of 391,908,974,991, is 1.

Now, the common factors can be found like this.

391:17x 23

908:2x 2x 227

974:2x 487

991:991

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

2 = 2

Therefore, the value for common factors is 2.

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 = 342685096552/(1x2)

LCM = 342685096552/2

LCM = 171342548276

Thus, we can understand that the LCM of 391,908,974,991 is 171342548276.

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

• LCM of 535, 447, 984, 531
• LCM of 901, 769, 315, 422
• LCM of 937, 428, 819, 385
• LCM of 264, 262, 354, 556
• LCM of 567, 406, 787, 524

1. What is the LCM of 391, 908, 974, 991?

Answer: LCM of 391, 908, 974, 991 is 171342548276.

2. How to calculate the LCM of 391, 908, 974, 991?

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 391, 908, 974, 991.

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}.