Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 8905 and 8913 the smallest integer that is 79370265 that is divisible by both numbers.
Least Common Multiple (LCM) of 8905 and 8913 is 79370265.
LCM(8905,8913) = 79370265
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 8905 and 8913. First we will calculate the prime factors of 8905 and 8913.
Prime Factorization of 8905
5 | 8905 |
13 | 1781 |
137 | 137 |
1 |
Prime factors of 8905 are 5, 13,137. Prime factorization of 8905 in exponential form is:
8905 = 51×131×1371
Prime Factorization of 8913
3 | 8913 |
2971 | 2971 |
1 |
Prime factors of 8913 are 3,2971. Prime factorization of 8913 in exponential form is:
8913 = 31×29711
Now multiplying the highest exponent prime factors to calculate the LCM of 8905 and 8913.
LCM(8905,8913) = 31×51×131×1371×29711
LCM(8905,8913) = 79370265
Factors of 8905
List of positive integer factors of 8905 that divides 8905 without a remainder.
1, 5, 13, 65, 137, 685, 1781, 8905
Factors of 8913
List of positive integer factors of 8913 that divides 8913 without a remainder.
1, 3, 2971, 8913
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8905 and 8913, than apply into the LCM equation.
GCF(8905,8913) = 1
LCM(8905,8913) = ( 8905 × 8913) / 1
LCM(8905,8913) = 79370265 / 1
LCM(8905,8913) = 79370265
(i) The LCM of 8913 and 8905 is associative
LCM of 8905 and 8913 = LCM of 8913 and 8905
1. What is the LCM of 8905 and 8913?
Answer: LCM of 8905 and 8913 is 79370265.
2. What are the Factors of 8905?
Answer: Factors of 8905 are 1, 5, 13, 65, 137, 685, 1781, 8905. There are 8 integers that are factors of 8905. The greatest factor of 8905 is 8905.
3. What are the Factors of 8913?
Answer: Factors of 8913 are 1, 3, 2971, 8913. There are 4 integers that are factors of 8913. The greatest factor of 8913 is 8913.
4. How to Find the LCM of 8905 and 8913?
Answer:
Least Common Multiple of 8905 and 8913 = 79370265
Step 1: Find the prime factorization of 8905
8905 = 5 x 13 x 137
Step 2: Find the prime factorization of 8913
8913 = 3 x 2971
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 79370265 = 3 x 5 x 13 x 137 x 2971
Step 4: Therefore, the least common multiple of 8905 and 8913 is 79370265.