Least Common Multiple of 651 and 655

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 651 and 655 the smallest integer that is 426405 that is divisible by both numbers.

Least Common Multiple (LCM) of 651 and 655 is 426405.

LCM(651,655) = 426405

LCM of 651 and 655

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

LCM of:
and

Least Common Multiple of 651 and 655

LCM of 651 and 655 is 426405

Least common multiple can be found by multiplying the highest exponent prime factors of 651 and 655. First we will calculate the prime factors of 651 and 655.

Prime Factorization of 651


3 651
7 217
31 31
1

Prime factors of 651 are 3, 7,31. Prime factorization of 651 in exponential form is:

651 = 31×71×311

Prime Factorization of 655


5 655
131 131
1

Prime factors of 655 are 5,131. Prime factorization of 655 in exponential form is:

655 = 51×1311

Now multiplying the highest exponent prime factors to calculate the LCM of 651 and 655.

LCM(651,655) = 31×51×71×311×1311
LCM(651,655) = 426405

Factors of 651

List of positive integer factors of 651 that divides 651 without a remainder.

1, 3, 7, 21, 31, 93, 217, 651

Factors of 655

List of positive integer factors of 655 that divides 655 without a remainder.

1, 5, 131, 655

Least Common Multiple of 651 and 655 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 651 and 655, than apply into the LCM equation.

GCF(651,655) = 1
LCM(651,655) = ( 651 × 655) / 1
LCM(651,655) = 426405 / 1
LCM(651,655) = 426405

Properties of LCM 651 and 655

(i) The LCM of 655 and 651 is associative

LCM of 651 and 655 = LCM of 655 and 651

Frequently Asked Questions on LCM of 651 and 655

1. What is the LCM of 651 and 655?

Answer: LCM of 651 and 655 is 426405.

2. What are the Factors of 651?

Answer: Factors of 651 are 1, 3, 7, 21, 31, 93, 217, 651. There are 8 integers that are factors of 651. The greatest factor of 651 is 651.

3. What are the Factors of 655?

Answer: Factors of 655 are 1, 5, 131, 655. There are 4 integers that are factors of 655. The greatest factor of 655 is 655.

4. How to Find the LCM of 651 and 655?

Answer:

Least Common Multiple of 651 and 655 = 426405

Step 1: Find the prime factorization of 651

651 = 3 x 7 x 31

Step 2: Find the prime factorization of 655

655 = 5 x 131

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

LCM = 426405 = 3 x 5 x 7 x 31 x 131

Step 4: Therefore, the least common multiple of 651 and 655 is 426405.