Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 6976 and 6980 the smallest integer that is 12173120 that is divisible by both numbers.
Least Common Multiple (LCM) of 6976 and 6980 is 12173120.
LCM(6976,6980) = 12173120
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 6976 and 6980. First we will calculate the prime factors of 6976 and 6980.
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
Prime Factorization of 6980
2 | 6980 |
2 | 3490 |
5 | 1745 |
349 | 349 |
1 |
Prime factors of 6980 are 2, 5,349. Prime factorization of 6980 in exponential form is:
6980 = 22×51×3491
Now multiplying the highest exponent prime factors to calculate the LCM of 6976 and 6980.
LCM(6976,6980) = 26×51×1091×3491
LCM(6976,6980) = 12173120
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
Factors of 6980
List of positive integer factors of 6980 that divides 6980 without a remainder.
1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 3490, 6980
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6976 and 6980, than apply into the LCM equation.
GCF(6976,6980) = 4
LCM(6976,6980) = ( 6976 × 6980) / 4
LCM(6976,6980) = 48692480 / 4
LCM(6976,6980) = 12173120
(i) The LCM of 6980 and 6976 is associative
LCM of 6976 and 6980 = LCM of 6980 and 6976
1. What is the LCM of 6976 and 6980?
Answer: LCM of 6976 and 6980 is 12173120.
2. 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.
3. What are the Factors of 6980?
Answer: Factors of 6980 are 1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 3490, 6980. There are 12 integers that are factors of 6980. The greatest factor of 6980 is 6980.
4. How to Find the LCM of 6976 and 6980?
Answer:
Least Common Multiple of 6976 and 6980 = 12173120
Step 1: Find the prime factorization of 6976
6976 = 2 x 2 x 2 x 2 x 2 x 2 x 109
Step 2: Find the prime factorization of 6980
6980 = 2 x 2 x 5 x 349
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 12173120 = 2 x 2 x 2 x 2 x 2 x 2 x 5 x 109 x 349
Step 4: Therefore, the least common multiple of 6976 and 6980 is 12173120.