Least Common Multiple of 1179 and 1180

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 1179 and 1180 the smallest integer that is 1391220 that is divisible by both numbers.

Least Common Multiple (LCM) of 1179 and 1180 is 1391220.

LCM(1179,1180) = 1391220

LCM of 1179 and 1180

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

LCM of:
and

Least Common Multiple of 1179 and 1180

LCM of 1179 and 1180 is 1391220

Least common multiple can be found by multiplying the highest exponent prime factors of 1179 and 1180. First we will calculate the prime factors of 1179 and 1180.

Prime Factorization of 1179


3 1179
3 393
131 131
1

Prime factors of 1179 are 3,131. Prime factorization of 1179 in exponential form is:

1179 = 32×1311

Prime Factorization of 1180


2 1180
2 590
5 295
59 59
1

Prime factors of 1180 are 2, 5,59. Prime factorization of 1180 in exponential form is:

1180 = 22×51×591

Now multiplying the highest exponent prime factors to calculate the LCM of 1179 and 1180.

LCM(1179,1180) = 22×32×51×591×1311
LCM(1179,1180) = 1391220

Factors of 1179

List of positive integer factors of 1179 that divides 1179 without a remainder.

1, 3, 9, 131, 393, 1179

Factors of 1180

List of positive integer factors of 1180 that divides 1180 without a remainder.

1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180

Least Common Multiple of 1179 and 1180 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1179 and 1180, than apply into the LCM equation.

GCF(1179,1180) = 1
LCM(1179,1180) = ( 1179 × 1180) / 1
LCM(1179,1180) = 1391220 / 1
LCM(1179,1180) = 1391220

Properties of LCM 1179 and 1180

(i) The LCM of 1180 and 1179 is associative

LCM of 1179 and 1180 = LCM of 1180 and 1179

Frequently Asked Questions on LCM of 1179 and 1180

1. What is the LCM of 1179 and 1180?

Answer: LCM of 1179 and 1180 is 1391220.

2. What are the Factors of 1179?

Answer: Factors of 1179 are 1, 3, 9, 131, 393, 1179. There are 6 integers that are factors of 1179. The greatest factor of 1179 is 1179.

3. What are the Factors of 1180?

Answer: Factors of 1180 are 1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180. There are 12 integers that are factors of 1180. The greatest factor of 1180 is 1180.

4. How to Find the LCM of 1179 and 1180?

Answer:

Least Common Multiple of 1179 and 1180 = 1391220

Step 1: Find the prime factorization of 1179

1179 = 3 x 3 x 131

Step 2: Find the prime factorization of 1180

1180 = 2 x 2 x 5 x 59

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

LCM = 1391220 = 2 x 2 x 3 x 3 x 5 x 59 x 131

Step 4: Therefore, the least common multiple of 1179 and 1180 is 1391220.