Least Common Multiple of 556 and 557

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 556 and 557 the smallest integer that is 309692 that is divisible by both numbers.

Least Common Multiple (LCM) of 556 and 557 is 309692.

LCM(556,557) = 309692

LCM of 556 and 557

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

LCM of:
and

Least Common Multiple of 556 and 557

LCM of 556 and 557 is 309692

Least common multiple can be found by multiplying the highest exponent prime factors of 556 and 557. First we will calculate the prime factors of 556 and 557.

Prime Factorization of 556


2 556
2 278
139 139
1

Prime factors of 556 are 2,139. Prime factorization of 556 in exponential form is:

556 = 22×1391

Prime Factorization of 557


557 557
1

Prime factors of 557 are 557. Prime factorization of 557 in exponential form is:

557 = 5571

Now multiplying the highest exponent prime factors to calculate the LCM of 556 and 557.

LCM(556,557) = 22×1391×5571
LCM(556,557) = 309692

Factors of 556

List of positive integer factors of 556 that divides 556 without a remainder.

1, 2, 4, 139, 278, 556

Factors of 557

List of positive integer factors of 557 that divides 557 without a remainder.

1, 557

Least Common Multiple of 556 and 557 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 556 and 557, than apply into the LCM equation.

GCF(556,557) = 1
LCM(556,557) = ( 556 × 557) / 1
LCM(556,557) = 309692 / 1
LCM(556,557) = 309692

Properties of LCM 556 and 557

(i) The LCM of 557 and 556 is associative

LCM of 556 and 557 = LCM of 557 and 556

Frequently Asked Questions on LCM of 556 and 557

1. What is the LCM of 556 and 557?

Answer: LCM of 556 and 557 is 309692.

2. What are the Factors of 556?

Answer: Factors of 556 are 1, 2, 4, 139, 278, 556. There are 6 integers that are factors of 556. The greatest factor of 556 is 556.

3. What are the Factors of 557?

Answer: Factors of 557 are 1, 557. There are 2 integers that are factors of 557. The greatest factor of 557 is 557.

4. How to Find the LCM of 556 and 557?

Answer:

Least Common Multiple of 556 and 557 = 309692

Step 1: Find the prime factorization of 556

556 = 2 x 2 x 139

Step 2: Find the prime factorization of 557

557 = 557

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

LCM = 309692 = 2 x 2 x 139 x 557

Step 4: Therefore, the least common multiple of 556 and 557 is 309692.