Least Common Multiple of 647 and 653

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 647 and 653 the smallest integer that is 422491 that is divisible by both numbers.

Least Common Multiple (LCM) of 647 and 653 is 422491.

LCM(647,653) = 422491

LCM of 647 and 653

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

LCM of:
and

Least Common Multiple of 647 and 653

LCM of 647 and 653 is 422491

Least common multiple can be found by multiplying the highest exponent prime factors of 647 and 653. First we will calculate the prime factors of 647 and 653.

Prime Factorization of 647


647 647
1

Prime factors of 647 are 647. Prime factorization of 647 in exponential form is:

647 = 6471

Prime Factorization of 653


653 653
1

Prime factors of 653 are 653. Prime factorization of 653 in exponential form is:

653 = 6531

Now multiplying the highest exponent prime factors to calculate the LCM of 647 and 653.

LCM(647,653) = 6471×6531
LCM(647,653) = 422491

Factors of 647

List of positive integer factors of 647 that divides 647 without a remainder.

1, 647

Factors of 653

List of positive integer factors of 653 that divides 653 without a remainder.

1, 653

Least Common Multiple of 647 and 653 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 647 and 653, than apply into the LCM equation.

GCF(647,653) = 1
LCM(647,653) = ( 647 × 653) / 1
LCM(647,653) = 422491 / 1
LCM(647,653) = 422491

Properties of LCM 647 and 653

(i) The LCM of 653 and 647 is associative

LCM of 647 and 653 = LCM of 653 and 647

Frequently Asked Questions on LCM of 647 and 653

1. What is the LCM of 647 and 653?

Answer: LCM of 647 and 653 is 422491.

2. What are the Factors of 647?

Answer: Factors of 647 are 1, 647. There are 2 integers that are factors of 647. The greatest factor of 647 is 647.

3. What are the Factors of 653?

Answer: Factors of 653 are 1, 653. There are 2 integers that are factors of 653. The greatest factor of 653 is 653.

4. How to Find the LCM of 647 and 653?

Answer:

Least Common Multiple of 647 and 653 = 422491

Step 1: Find the prime factorization of 647

647 = 647

Step 2: Find the prime factorization of 653

653 = 653

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

LCM = 422491 = 647 x 653

Step 4: Therefore, the least common multiple of 647 and 653 is 422491.