Least Common Multiple of 5642 and 5647

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 5642 and 5647 the smallest integer that is 31860374 that is divisible by both numbers.

Least Common Multiple (LCM) of 5642 and 5647 is 31860374.

LCM(5642,5647) = 31860374

LCM of 5642 and 5647

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

LCM of:
and

Least Common Multiple of 5642 and 5647

LCM of 5642 and 5647 is 31860374

Least common multiple can be found by multiplying the highest exponent prime factors of 5642 and 5647. First we will calculate the prime factors of 5642 and 5647.

Prime Factorization of 5642


2 5642
7 2821
13 403
31 31
1

Prime factors of 5642 are 2, 7, 13,31. Prime factorization of 5642 in exponential form is:

5642 = 21×71×131×311

Prime Factorization of 5647


5647 5647
1

Prime factors of 5647 are 5647. Prime factorization of 5647 in exponential form is:

5647 = 56471

Now multiplying the highest exponent prime factors to calculate the LCM of 5642 and 5647.

LCM(5642,5647) = 21×71×131×311×56471
LCM(5642,5647) = 31860374

Factors of 5642

List of positive integer factors of 5642 that divides 5642 without a remainder.

1, 2, 7, 13, 14, 26, 31, 62, 91, 182, 217, 403, 434, 806, 2821, 5642

Factors of 5647

List of positive integer factors of 5647 that divides 5647 without a remainder.

1, 5647

Least Common Multiple of 5642 and 5647 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 5642 and 5647, than apply into the LCM equation.

GCF(5642,5647) = 1
LCM(5642,5647) = ( 5642 × 5647) / 1
LCM(5642,5647) = 31860374 / 1
LCM(5642,5647) = 31860374

Properties of LCM 5642 and 5647

(i) The LCM of 5647 and 5642 is associative

LCM of 5642 and 5647 = LCM of 5647 and 5642

Frequently Asked Questions on LCM of 5642 and 5647

1. What is the LCM of 5642 and 5647?

Answer: LCM of 5642 and 5647 is 31860374.

2. What are the Factors of 5642?

Answer: Factors of 5642 are 1, 2, 7, 13, 14, 26, 31, 62, 91, 182, 217, 403, 434, 806, 2821, 5642. There are 16 integers that are factors of 5642. The greatest factor of 5642 is 5642.

3. What are the Factors of 5647?

Answer: Factors of 5647 are 1, 5647. There are 2 integers that are factors of 5647. The greatest factor of 5647 is 5647.

4. How to Find the LCM of 5642 and 5647?

Answer:

Least Common Multiple of 5642 and 5647 = 31860374

Step 1: Find the prime factorization of 5642

5642 = 2 x 7 x 13 x 31

Step 2: Find the prime factorization of 5647

5647 = 5647

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

LCM = 31860374 = 2 x 7 x 13 x 31 x 5647

Step 4: Therefore, the least common multiple of 5642 and 5647 is 31860374.