Least Common Multiple of 7640 and 7647

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 7640 and 7647 the smallest integer that is 58423080 that is divisible by both numbers.

Least Common Multiple (LCM) of 7640 and 7647 is 58423080.

LCM(7640,7647) = 58423080

LCM of 7640 and 7647

Least common multiple or lowest common denominator (LCD) can be calculated in three ways;

LCM of:
and

Least Common Multiple of 7640 and 7647

LCM of 7640 and 7647 is 58423080

Least common multiple can be found by multiplying the highest exponent prime factors of 7640 and 7647. First we will calculate the prime factors of 7640 and 7647.

Prime Factorization of 7640


2 7640
2 3820
2 1910
5 955
191 191
1

Prime factors of 7640 are 2, 5,191. Prime factorization of 7640 in exponential form is:

7640 = 23×51×1911

Prime Factorization of 7647


3 7647
2549 2549
1

Prime factors of 7647 are 3,2549. Prime factorization of 7647 in exponential form is:

7647 = 31×25491

Now multiplying the highest exponent prime factors to calculate the LCM of 7640 and 7647.

LCM(7640,7647) = 23×31×51×1911×25491
LCM(7640,7647) = 58423080

Factors of 7640

List of positive integer factors of 7640 that divides 7640 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640

Factors of 7647

List of positive integer factors of 7647 that divides 7647 without a remainder.

1, 3, 2549, 7647

Least Common Multiple of 7640 and 7647 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 7640 and 7647, than apply into the LCM equation.

GCF(7640,7647) = 1
LCM(7640,7647) = ( 7640 × 7647) / 1
LCM(7640,7647) = 58423080 / 1
LCM(7640,7647) = 58423080

Properties of LCM 7640 and 7647

(i) The LCM of 7647 and 7640 is associative

LCM of 7640 and 7647 = LCM of 7647 and 7640

Frequently Asked Questions on LCM of 7640 and 7647

1. What is the LCM of 7640 and 7647?

Answer: LCM of 7640 and 7647 is 58423080.

2. What are the Factors of 7640?

Answer: Factors of 7640 are 1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640. There are 16 integers that are factors of 7640. The greatest factor of 7640 is 7640.

3. What are the Factors of 7647?

Answer: Factors of 7647 are 1, 3, 2549, 7647. There are 4 integers that are factors of 7647. The greatest factor of 7647 is 7647.

4. How to Find the LCM of 7640 and 7647?

Answer:

Least Common Multiple of 7640 and 7647 = 58423080

Step 1: Find the prime factorization of 7640

7640 = 2 x 2 x 2 x 5 x 191

Step 2: Find the prime factorization of 7647

7647 = 3 x 2549

Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:

LCM = 58423080 = 2 x 2 x 2 x 3 x 5 x 191 x 2549

Step 4: Therefore, the least common multiple of 7640 and 7647 is 58423080.