Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 2913 and 2920 the smallest integer that is 8505960 that is divisible by both numbers.
Least Common Multiple (LCM) of 2913 and 2920 is 8505960.
LCM(2913,2920) = 8505960
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 2913 and 2920. First we will calculate the prime factors of 2913 and 2920.
Prime Factorization of 2913
3 | 2913 |
971 | 971 |
1 |
Prime factors of 2913 are 3,971. Prime factorization of 2913 in exponential form is:
2913 = 31×9711
Prime Factorization of 2920
2 | 2920 |
2 | 1460 |
2 | 730 |
5 | 365 |
73 | 73 |
1 |
Prime factors of 2920 are 2, 5,73. Prime factorization of 2920 in exponential form is:
2920 = 23×51×731
Now multiplying the highest exponent prime factors to calculate the LCM of 2913 and 2920.
LCM(2913,2920) = 23×31×51×731×9711
LCM(2913,2920) = 8505960
Factors of 2913
List of positive integer factors of 2913 that divides 2913 without a remainder.
1, 3, 971, 2913
Factors of 2920
List of positive integer factors of 2920 that divides 2920 without a remainder.
1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2913 and 2920, than apply into the LCM equation.
GCF(2913,2920) = 1
LCM(2913,2920) = ( 2913 × 2920) / 1
LCM(2913,2920) = 8505960 / 1
LCM(2913,2920) = 8505960
(i) The LCM of 2920 and 2913 is associative
LCM of 2913 and 2920 = LCM of 2920 and 2913
1. What is the LCM of 2913 and 2920?
Answer: LCM of 2913 and 2920 is 8505960.
2. What are the Factors of 2913?
Answer: Factors of 2913 are 1, 3, 971, 2913. There are 4 integers that are factors of 2913. The greatest factor of 2913 is 2913.
3. What are the Factors of 2920?
Answer: Factors of 2920 are 1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920. There are 16 integers that are factors of 2920. The greatest factor of 2920 is 2920.
4. How to Find the LCM of 2913 and 2920?
Answer:
Least Common Multiple of 2913 and 2920 = 8505960
Step 1: Find the prime factorization of 2913
2913 = 3 x 971
Step 2: Find the prime factorization of 2920
2920 = 2 x 2 x 2 x 5 x 73
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 8505960 = 2 x 2 x 2 x 3 x 5 x 73 x 971
Step 4: Therefore, the least common multiple of 2913 and 2920 is 8505960.