Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 6975 and 6980 the smallest integer that is 9737100 that is divisible by both numbers.
Least Common Multiple (LCM) of 6975 and 6980 is 9737100.
LCM(6975,6980) = 9737100
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 6975 and 6980. First we will calculate the prime factors of 6975 and 6980.
Prime Factorization of 6975
3 | 6975 |
3 | 2325 |
5 | 775 |
5 | 155 |
31 | 31 |
1 |
Prime factors of 6975 are 3, 5,31. Prime factorization of 6975 in exponential form is:
6975 = 32×52×311
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 6975 and 6980.
LCM(6975,6980) = 22×32×52×311×3491
LCM(6975,6980) = 9737100
Factors of 6975
List of positive integer factors of 6975 that divides 6975 without a remainder.
1, 3, 5, 9, 15, 25, 31, 45, 75, 93, 155, 225, 279, 465, 775, 1395, 2325, 6975
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 6975 and 6980, than apply into the LCM equation.
GCF(6975,6980) = 5
LCM(6975,6980) = ( 6975 × 6980) / 5
LCM(6975,6980) = 48685500 / 5
LCM(6975,6980) = 9737100
(i) The LCM of 6980 and 6975 is associative
LCM of 6975 and 6980 = LCM of 6980 and 6975
1. What is the LCM of 6975 and 6980?
Answer: LCM of 6975 and 6980 is 9737100.
2. What are the Factors of 6975?
Answer: Factors of 6975 are 1, 3, 5, 9, 15, 25, 31, 45, 75, 93, 155, 225, 279, 465, 775, 1395, 2325, 6975. There are 18 integers that are factors of 6975. The greatest factor of 6975 is 6975.
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 6975 and 6980?
Answer:
Least Common Multiple of 6975 and 6980 = 9737100
Step 1: Find the prime factorization of 6975
6975 = 3 x 3 x 5 x 5 x 31
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 = 9737100 = 2 x 2 x 3 x 3 x 5 x 5 x 31 x 349
Step 4: Therefore, the least common multiple of 6975 and 6980 is 9737100.