Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 4905 and 4911 the smallest integer that is 8029485 that is divisible by both numbers.
Least Common Multiple (LCM) of 4905 and 4911 is 8029485.
LCM(4905,4911) = 8029485
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 4905 and 4911. First we will calculate the prime factors of 4905 and 4911.
Prime Factorization of 4905
3 | 4905 |
3 | 1635 |
5 | 545 |
109 | 109 |
1 |
Prime factors of 4905 are 3, 5,109. Prime factorization of 4905 in exponential form is:
4905 = 32×51×1091
Prime Factorization of 4911
3 | 4911 |
1637 | 1637 |
1 |
Prime factors of 4911 are 3,1637. Prime factorization of 4911 in exponential form is:
4911 = 31×16371
Now multiplying the highest exponent prime factors to calculate the LCM of 4905 and 4911.
LCM(4905,4911) = 32×51×1091×16371
LCM(4905,4911) = 8029485
Factors of 4905
List of positive integer factors of 4905 that divides 4905 without a remainder.
1, 3, 5, 9, 15, 45, 109, 327, 545, 981, 1635, 4905
Factors of 4911
List of positive integer factors of 4911 that divides 4911 without a remainder.
1, 3, 1637, 4911
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4905 and 4911, than apply into the LCM equation.
GCF(4905,4911) = 3
LCM(4905,4911) = ( 4905 × 4911) / 3
LCM(4905,4911) = 24088455 / 3
LCM(4905,4911) = 8029485
(i) The LCM of 4911 and 4905 is associative
LCM of 4905 and 4911 = LCM of 4911 and 4905
1. What is the LCM of 4905 and 4911?
Answer: LCM of 4905 and 4911 is 8029485.
2. What are the Factors of 4905?
Answer: Factors of 4905 are 1, 3, 5, 9, 15, 45, 109, 327, 545, 981, 1635, 4905. There are 12 integers that are factors of 4905. The greatest factor of 4905 is 4905.
3. What are the Factors of 4911?
Answer: Factors of 4911 are 1, 3, 1637, 4911. There are 4 integers that are factors of 4911. The greatest factor of 4911 is 4911.
4. How to Find the LCM of 4905 and 4911?
Answer:
Least Common Multiple of 4905 and 4911 = 8029485
Step 1: Find the prime factorization of 4905
4905 = 3 x 3 x 5 x 109
Step 2: Find the prime factorization of 4911
4911 = 3 x 1637
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 8029485 = 3 x 3 x 5 x 109 x 1637
Step 4: Therefore, the least common multiple of 4905 and 4911 is 8029485.