Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 6980 and 6985 the smallest integer that is 9751060 that is divisible by both numbers.
Least Common Multiple (LCM) of 6980 and 6985 is 9751060.
LCM(6980,6985) = 9751060
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 6980 and 6985. First we will calculate the prime factors of 6980 and 6985.
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
Prime Factorization of 6985
5 | 6985 |
11 | 1397 |
127 | 127 |
1 |
Prime factors of 6985 are 5, 11,127. Prime factorization of 6985 in exponential form is:
6985 = 51×111×1271
Now multiplying the highest exponent prime factors to calculate the LCM of 6980 and 6985.
LCM(6980,6985) = 22×51×111×1271×3491
LCM(6980,6985) = 9751060
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
Factors of 6985
List of positive integer factors of 6985 that divides 6985 without a remainder.
1, 5, 11, 55, 127, 635, 1397, 6985
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6980 and 6985, than apply into the LCM equation.
GCF(6980,6985) = 5
LCM(6980,6985) = ( 6980 × 6985) / 5
LCM(6980,6985) = 48755300 / 5
LCM(6980,6985) = 9751060
(i) The LCM of 6985 and 6980 is associative
LCM of 6980 and 6985 = LCM of 6985 and 6980
1. What is the LCM of 6980 and 6985?
Answer: LCM of 6980 and 6985 is 9751060.
2. 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.
3. What are the Factors of 6985?
Answer: Factors of 6985 are 1, 5, 11, 55, 127, 635, 1397, 6985. There are 8 integers that are factors of 6985. The greatest factor of 6985 is 6985.
4. How to Find the LCM of 6980 and 6985?
Answer:
Least Common Multiple of 6980 and 6985 = 9751060
Step 1: Find the prime factorization of 6980
6980 = 2 x 2 x 5 x 349
Step 2: Find the prime factorization of 6985
6985 = 5 x 11 x 127
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 9751060 = 2 x 2 x 5 x 11 x 127 x 349
Step 4: Therefore, the least common multiple of 6980 and 6985 is 9751060.