Least Common Multiple of 3115 and 3120

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 3115 and 3120 the smallest integer that is 1943760 that is divisible by both numbers.

Least Common Multiple (LCM) of 3115 and 3120 is 1943760.

LCM(3115,3120) = 1943760

LCM of 3115 and 3120

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

LCM of:
and

Least Common Multiple of 3115 and 3120

LCM of 3115 and 3120 is 1943760

Least common multiple can be found by multiplying the highest exponent prime factors of 3115 and 3120. First we will calculate the prime factors of 3115 and 3120.

Prime Factorization of 3115


5 3115
7 623
89 89
1

Prime factors of 3115 are 5, 7,89. Prime factorization of 3115 in exponential form is:

3115 = 51×71×891

Prime Factorization of 3120


2 3120
2 1560
2 780
2 390
3 195
5 65
13 13
1

Prime factors of 3120 are 2, 3, 5,13. Prime factorization of 3120 in exponential form is:

3120 = 24×31×51×131

Now multiplying the highest exponent prime factors to calculate the LCM of 3115 and 3120.

LCM(3115,3120) = 24×31×51×71×131×891
LCM(3115,3120) = 1943760

Factors of 3115

List of positive integer factors of 3115 that divides 3115 without a remainder.

1, 5, 7, 35, 89, 445, 623, 3115

Factors of 3120

List of positive integer factors of 3120 that divides 3120 without a remainder.

1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120

Least Common Multiple of 3115 and 3120 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3115 and 3120, than apply into the LCM equation.

GCF(3115,3120) = 5
LCM(3115,3120) = ( 3115 × 3120) / 5
LCM(3115,3120) = 9718800 / 5
LCM(3115,3120) = 1943760

Properties of LCM 3115 and 3120

(i) The LCM of 3120 and 3115 is associative

LCM of 3115 and 3120 = LCM of 3120 and 3115

Frequently Asked Questions on LCM of 3115 and 3120

1. What is the LCM of 3115 and 3120?

Answer: LCM of 3115 and 3120 is 1943760.

2. What are the Factors of 3115?

Answer: Factors of 3115 are 1, 5, 7, 35, 89, 445, 623, 3115. There are 8 integers that are factors of 3115. The greatest factor of 3115 is 3115.

3. What are the Factors of 3120?

Answer: Factors of 3120 are 1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120. There are 40 integers that are factors of 3120. The greatest factor of 3120 is 3120.

4. How to Find the LCM of 3115 and 3120?

Answer:

Least Common Multiple of 3115 and 3120 = 1943760

Step 1: Find the prime factorization of 3115

3115 = 5 x 7 x 89

Step 2: Find the prime factorization of 3120

3120 = 2 x 2 x 2 x 2 x 3 x 5 x 13

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

LCM = 1943760 = 2 x 2 x 2 x 2 x 3 x 5 x 7 x 13 x 89

Step 4: Therefore, the least common multiple of 3115 and 3120 is 1943760.