Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 6971 and 6978 the smallest integer that is 48643638 that is divisible by both numbers.
Least Common Multiple (LCM) of 6971 and 6978 is 48643638.
LCM(6971,6978) = 48643638
Least common multiple or lowest common denominator (LCD) can be calculated in three ways;
Least common multiple can be found by multiplying the highest exponent prime factors of 6971 and 6978. First we will calculate the prime factors of 6971 and 6978.
Prime Factorization of 6971
6971 | 6971 |
1 |
Prime factors of 6971 are 6971. Prime factorization of 6971 in exponential form is:
6971 = 69711
Prime Factorization of 6978
2 | 6978 |
3 | 3489 |
1163 | 1163 |
1 |
Prime factors of 6978 are 2, 3,1163. Prime factorization of 6978 in exponential form is:
6978 = 21×31×11631
Now multiplying the highest exponent prime factors to calculate the LCM of 6971 and 6978.
LCM(6971,6978) = 21×31×11631×69711
LCM(6971,6978) = 48643638
Factors of 6971
List of positive integer factors of 6971 that divides 6971 without a remainder.
1, 6971
Factors of 6978
List of positive integer factors of 6978 that divides 6978 without a remainder.
1, 2, 3, 6, 1163, 2326, 3489, 6978
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6971 and 6978, than apply into the LCM equation.
GCF(6971,6978) = 1
LCM(6971,6978) = ( 6971 × 6978) / 1
LCM(6971,6978) = 48643638 / 1
LCM(6971,6978) = 48643638
(i) The LCM of 6978 and 6971 is associative
LCM of 6971 and 6978 = LCM of 6978 and 6971
1. What is the LCM of 6971 and 6978?
Answer: LCM of 6971 and 6978 is 48643638.
2. What are the Factors of 6971?
Answer: Factors of 6971 are 1, 6971. There are 2 integers that are factors of 6971. The greatest factor of 6971 is 6971.
3. What are the Factors of 6978?
Answer: Factors of 6978 are 1, 2, 3, 6, 1163, 2326, 3489, 6978. There are 8 integers that are factors of 6978. The greatest factor of 6978 is 6978.
4. How to Find the LCM of 6971 and 6978?
Answer:
Least Common Multiple of 6971 and 6978 = 48643638
Step 1: Find the prime factorization of 6971
6971 = 6971
Step 2: Find the prime factorization of 6978
6978 = 2 x 3 x 1163
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 48643638 = 2 x 3 x 1163 x 6971
Step 4: Therefore, the least common multiple of 6971 and 6978 is 48643638.