Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 6972 and 6976 the smallest integer that is 12159168 that is divisible by both numbers.
Least Common Multiple (LCM) of 6972 and 6976 is 12159168.
LCM(6972,6976) = 12159168
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 6972 and 6976. First we will calculate the prime factors of 6972 and 6976.
Prime Factorization of 6972
2 | 6972 |
2 | 3486 |
3 | 1743 |
7 | 581 |
83 | 83 |
1 |
Prime factors of 6972 are 2, 3, 7,83. Prime factorization of 6972 in exponential form is:
6972 = 22×31×71×831
Prime Factorization of 6976
2 | 6976 |
2 | 3488 |
2 | 1744 |
2 | 872 |
2 | 436 |
2 | 218 |
109 | 109 |
1 |
Prime factors of 6976 are 2,109. Prime factorization of 6976 in exponential form is:
6976 = 26×1091
Now multiplying the highest exponent prime factors to calculate the LCM of 6972 and 6976.
LCM(6972,6976) = 26×31×71×831×1091
LCM(6972,6976) = 12159168
Factors of 6972
List of positive integer factors of 6972 that divides 6972 without a remainder.
1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 83, 84, 166, 249, 332, 498, 581, 996, 1162, 1743, 2324, 3486, 6972
Factors of 6976
List of positive integer factors of 6976 that divides 6976 without a remainder.
1, 2, 4, 8, 16, 32, 64, 109, 218, 436, 872, 1744, 3488, 6976
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6972 and 6976, than apply into the LCM equation.
GCF(6972,6976) = 4
LCM(6972,6976) = ( 6972 × 6976) / 4
LCM(6972,6976) = 48636672 / 4
LCM(6972,6976) = 12159168
(i) The LCM of 6976 and 6972 is associative
LCM of 6972 and 6976 = LCM of 6976 and 6972
1. What is the LCM of 6972 and 6976?
Answer: LCM of 6972 and 6976 is 12159168.
2. What are the Factors of 6972?
Answer: Factors of 6972 are 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 83, 84, 166, 249, 332, 498, 581, 996, 1162, 1743, 2324, 3486, 6972. There are 24 integers that are factors of 6972. The greatest factor of 6972 is 6972.
3. What are the Factors of 6976?
Answer: Factors of 6976 are 1, 2, 4, 8, 16, 32, 64, 109, 218, 436, 872, 1744, 3488, 6976. There are 14 integers that are factors of 6976. The greatest factor of 6976 is 6976.
4. How to Find the LCM of 6972 and 6976?
Answer:
Least Common Multiple of 6972 and 6976 = 12159168
Step 1: Find the prime factorization of 6972
6972 = 2 x 2 x 3 x 7 x 83
Step 2: Find the prime factorization of 6976
6976 = 2 x 2 x 2 x 2 x 2 x 2 x 109
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 12159168 = 2 x 2 x 2 x 2 x 2 x 2 x 3 x 7 x 83 x 109
Step 4: Therefore, the least common multiple of 6972 and 6976 is 12159168.