Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 2921 and 2928 the smallest integer that is 8552688 that is divisible by both numbers.
Least Common Multiple (LCM) of 2921 and 2928 is 8552688.
LCM(2921,2928) = 8552688
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 2921 and 2928. First we will calculate the prime factors of 2921 and 2928.
Prime Factorization of 2921
23 | 2921 |
127 | 127 |
1 |
Prime factors of 2921 are 23,127. Prime factorization of 2921 in exponential form is:
2921 = 231×1271
Prime Factorization of 2928
2 | 2928 |
2 | 1464 |
2 | 732 |
2 | 366 |
3 | 183 |
61 | 61 |
1 |
Prime factors of 2928 are 2, 3,61. Prime factorization of 2928 in exponential form is:
2928 = 24×31×611
Now multiplying the highest exponent prime factors to calculate the LCM of 2921 and 2928.
LCM(2921,2928) = 24×31×231×611×1271
LCM(2921,2928) = 8552688
Factors of 2921
List of positive integer factors of 2921 that divides 2921 without a remainder.
1, 23, 127, 2921
Factors of 2928
List of positive integer factors of 2928 that divides 2928 without a remainder.
1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 61, 122, 183, 244, 366, 488, 732, 976, 1464, 2928
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2921 and 2928, than apply into the LCM equation.
GCF(2921,2928) = 1
LCM(2921,2928) = ( 2921 × 2928) / 1
LCM(2921,2928) = 8552688 / 1
LCM(2921,2928) = 8552688
(i) The LCM of 2928 and 2921 is associative
LCM of 2921 and 2928 = LCM of 2928 and 2921
1. What is the LCM of 2921 and 2928?
Answer: LCM of 2921 and 2928 is 8552688.
2. What are the Factors of 2921?
Answer: Factors of 2921 are 1, 23, 127, 2921. There are 4 integers that are factors of 2921. The greatest factor of 2921 is 2921.
3. What are the Factors of 2928?
Answer: Factors of 2928 are 1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 61, 122, 183, 244, 366, 488, 732, 976, 1464, 2928. There are 20 integers that are factors of 2928. The greatest factor of 2928 is 2928.
4. How to Find the LCM of 2921 and 2928?
Answer:
Least Common Multiple of 2921 and 2928 = 8552688
Step 1: Find the prime factorization of 2921
2921 = 23 x 127
Step 2: Find the prime factorization of 2928
2928 = 2 x 2 x 2 x 2 x 3 x 61
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 8552688 = 2 x 2 x 2 x 2 x 3 x 23 x 61 x 127
Step 4: Therefore, the least common multiple of 2921 and 2928 is 8552688.