Least Common Multiple of 555 and 556

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023

Free LCM Calculator determines the least common multiple (LCM) between 555 and 556 the smallest integer that is 308580 that is divisible by both numbers.

Least Common Multiple (LCM) of 555 and 556 is 308580.

LCM(555,556) = 308580

LCM of 555 and 556

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

LCM of:
and

Least Common Multiple of 555 and 556

LCM of 555 and 556 is 308580

Least common multiple can be found by multiplying the highest exponent prime factors of 555 and 556. First we will calculate the prime factors of 555 and 556.

Prime Factorization of 555


3 555
5 185
37 37
1

Prime factors of 555 are 3, 5,37. Prime factorization of 555 in exponential form is:

555 = 31×51×371

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

Now multiplying the highest exponent prime factors to calculate the LCM of 555 and 556.

LCM(555,556) = 22×31×51×371×1391
LCM(555,556) = 308580

Factors of 555

List of positive integer factors of 555 that divides 555 without a remainder.

1, 3, 5, 15, 37, 111, 185, 555

Factors of 556

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

1, 2, 4, 139, 278, 556

Least Common Multiple of 555 and 556 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 555 and 556, than apply into the LCM equation.

GCF(555,556) = 1
LCM(555,556) = ( 555 × 556) / 1
LCM(555,556) = 308580 / 1
LCM(555,556) = 308580

Properties of LCM 555 and 556

(i) The LCM of 556 and 555 is associative

LCM of 555 and 556 = LCM of 556 and 555

Related Least Common Multiples of 555

Related Least Common Multiples of 556

Frequently Asked Questions on LCM of 555 and 556

1. What is the LCM of 555 and 556?

Answer: LCM of 555 and 556 is 308580.

2. What are the Factors of 555?

Answer: Factors of 555 are 1, 3, 5, 15, 37, 111, 185, 555. There are 8 integers that are factors of 555. The greatest factor of 555 is 555.

3. 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.

4. How to Find the LCM of 555 and 556?

Answer:

Least Common Multiple of 555 and 556 = 308580

Step 1: Find the prime factorization of 555

555 = 3 x 5 x 37

Step 2: Find the prime factorization of 556

556 = 2 x 2 x 139

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

LCM = 308580 = 2 x 2 x 3 x 5 x 37 x 139

Step 4: Therefore, the least common multiple of 555 and 556 is 308580.