Least Common Multiple of 2978 and 2986

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Free LCM Calculator determines the least common multiple (LCM) between 2978 and 2986 the smallest integer that is 4446154 that is divisible by both numbers.

Least Common Multiple (LCM) of 2978 and 2986 is 4446154.

LCM(2978,2986) = 4446154

LCM of 2978 and 2986

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

LCM of:
and

Least Common Multiple of 2978 and 2986

LCM of 2978 and 2986 is 4446154

Least common multiple can be found by multiplying the highest exponent prime factors of 2978 and 2986. First we will calculate the prime factors of 2978 and 2986.

Prime Factorization of 2978


2 2978
1489 1489
1

Prime factors of 2978 are 2,1489. Prime factorization of 2978 in exponential form is:

2978 = 21×14891

Prime Factorization of 2986


2 2986
1493 1493
1

Prime factors of 2986 are 2,1493. Prime factorization of 2986 in exponential form is:

2986 = 21×14931

Now multiplying the highest exponent prime factors to calculate the LCM of 2978 and 2986.

LCM(2978,2986) = 21×14891×14931
LCM(2978,2986) = 4446154

Factors of 2978

List of positive integer factors of 2978 that divides 2978 without a remainder.

1, 2, 1489, 2978

Factors of 2986

List of positive integer factors of 2986 that divides 2986 without a remainder.

1, 2, 1493, 2986

Least Common Multiple of 2978 and 2986 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2978 and 2986, than apply into the LCM equation.

GCF(2978,2986) = 2
LCM(2978,2986) = ( 2978 × 2986) / 2
LCM(2978,2986) = 8892308 / 2
LCM(2978,2986) = 4446154

Properties of LCM 2978 and 2986

(i) The LCM of 2986 and 2978 is associative

LCM of 2978 and 2986 = LCM of 2986 and 2978

Frequently Asked Questions on LCM of 2978 and 2986

1. What is the LCM of 2978 and 2986?

Answer: LCM of 2978 and 2986 is 4446154.

2. What are the Factors of 2978?

Answer: Factors of 2978 are 1, 2, 1489, 2978. There are 4 integers that are factors of 2978. The greatest factor of 2978 is 2978.

3. What are the Factors of 2986?

Answer: Factors of 2986 are 1, 2, 1493, 2986. There are 4 integers that are factors of 2986. The greatest factor of 2986 is 2986.

4. How to Find the LCM of 2978 and 2986?

Answer:

Least Common Multiple of 2978 and 2986 = 4446154

Step 1: Find the prime factorization of 2978

2978 = 2 x 1489

Step 2: Find the prime factorization of 2986

2986 = 2 x 1493

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

LCM = 4446154 = 2 x 1489 x 1493

Step 4: Therefore, the least common multiple of 2978 and 2986 is 4446154.