Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 6890 and 6892 the smallest integer that is 23742940 that is divisible by both numbers.
Least Common Multiple (LCM) of 6890 and 6892 is 23742940.
LCM(6890,6892) = 23742940
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 6890 and 6892. First we will calculate the prime factors of 6890 and 6892.
Prime Factorization of 6890
2 | 6890 |
5 | 3445 |
13 | 689 |
53 | 53 |
1 |
Prime factors of 6890 are 2, 5, 13,53. Prime factorization of 6890 in exponential form is:
6890 = 21×51×131×531
Prime Factorization of 6892
2 | 6892 |
2 | 3446 |
1723 | 1723 |
1 |
Prime factors of 6892 are 2,1723. Prime factorization of 6892 in exponential form is:
6892 = 22×17231
Now multiplying the highest exponent prime factors to calculate the LCM of 6890 and 6892.
LCM(6890,6892) = 22×51×131×531×17231
LCM(6890,6892) = 23742940
Factors of 6890
List of positive integer factors of 6890 that divides 6890 without a remainder.
1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 530, 689, 1378, 3445, 6890
Factors of 6892
List of positive integer factors of 6892 that divides 6892 without a remainder.
1, 2, 4, 1723, 3446, 6892
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6890 and 6892, than apply into the LCM equation.
GCF(6890,6892) = 2
LCM(6890,6892) = ( 6890 × 6892) / 2
LCM(6890,6892) = 47485880 / 2
LCM(6890,6892) = 23742940
(i) The LCM of 6892 and 6890 is associative
LCM of 6890 and 6892 = LCM of 6892 and 6890
1. What is the LCM of 6890 and 6892?
Answer: LCM of 6890 and 6892 is 23742940.
2. What are the Factors of 6890?
Answer: Factors of 6890 are 1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 530, 689, 1378, 3445, 6890. There are 16 integers that are factors of 6890. The greatest factor of 6890 is 6890.
3. What are the Factors of 6892?
Answer: Factors of 6892 are 1, 2, 4, 1723, 3446, 6892. There are 6 integers that are factors of 6892. The greatest factor of 6892 is 6892.
4. How to Find the LCM of 6890 and 6892?
Answer:
Least Common Multiple of 6890 and 6892 = 23742940
Step 1: Find the prime factorization of 6890
6890 = 2 x 5 x 13 x 53
Step 2: Find the prime factorization of 6892
6892 = 2 x 2 x 1723
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 23742940 = 2 x 2 x 5 x 13 x 53 x 1723
Step 4: Therefore, the least common multiple of 6890 and 6892 is 23742940.