Least Common Multiple of 5721 and 5728

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 5721 and 5728 the smallest integer that is 32769888 that is divisible by both numbers.

Least Common Multiple (LCM) of 5721 and 5728 is 32769888.

LCM(5721,5728) = 32769888

LCM of 5721 and 5728

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

LCM of:
and

Least Common Multiple of 5721 and 5728

LCM of 5721 and 5728 is 32769888

Least common multiple can be found by multiplying the highest exponent prime factors of 5721 and 5728. First we will calculate the prime factors of 5721 and 5728.

Prime Factorization of 5721


3 5721
1907 1907
1

Prime factors of 5721 are 3,1907. Prime factorization of 5721 in exponential form is:

5721 = 31×19071

Prime Factorization of 5728


2 5728
2 2864
2 1432
2 716
2 358
179 179
1

Prime factors of 5728 are 2,179. Prime factorization of 5728 in exponential form is:

5728 = 25×1791

Now multiplying the highest exponent prime factors to calculate the LCM of 5721 and 5728.

LCM(5721,5728) = 25×31×1791×19071
LCM(5721,5728) = 32769888

Factors of 5721

List of positive integer factors of 5721 that divides 5721 without a remainder.

1, 3, 1907, 5721

Factors of 5728

List of positive integer factors of 5728 that divides 5728 without a remainder.

1, 2, 4, 8, 16, 32, 179, 358, 716, 1432, 2864, 5728

Least Common Multiple of 5721 and 5728 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 5721 and 5728, than apply into the LCM equation.

GCF(5721,5728) = 1
LCM(5721,5728) = ( 5721 × 5728) / 1
LCM(5721,5728) = 32769888 / 1
LCM(5721,5728) = 32769888

Properties of LCM 5721 and 5728

(i) The LCM of 5728 and 5721 is associative

LCM of 5721 and 5728 = LCM of 5728 and 5721

Frequently Asked Questions on LCM of 5721 and 5728

1. What is the LCM of 5721 and 5728?

Answer: LCM of 5721 and 5728 is 32769888.

2. What are the Factors of 5721?

Answer: Factors of 5721 are 1, 3, 1907, 5721. There are 4 integers that are factors of 5721. The greatest factor of 5721 is 5721.

3. What are the Factors of 5728?

Answer: Factors of 5728 are 1, 2, 4, 8, 16, 32, 179, 358, 716, 1432, 2864, 5728. There are 12 integers that are factors of 5728. The greatest factor of 5728 is 5728.

4. How to Find the LCM of 5721 and 5728?

Answer:

Least Common Multiple of 5721 and 5728 = 32769888

Step 1: Find the prime factorization of 5721

5721 = 3 x 1907

Step 2: Find the prime factorization of 5728

5728 = 2 x 2 x 2 x 2 x 2 x 179

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

LCM = 32769888 = 2 x 2 x 2 x 2 x 2 x 3 x 179 x 1907

Step 4: Therefore, the least common multiple of 5721 and 5728 is 32769888.