Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 2898 and 2905 the smallest integer that is 1202670 that is divisible by both numbers.
Least Common Multiple (LCM) of 2898 and 2905 is 1202670.
LCM(2898,2905) = 1202670
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 2898 and 2905. First we will calculate the prime factors of 2898 and 2905.
Prime Factorization of 2898
2 | 2898 |
3 | 1449 |
3 | 483 |
7 | 161 |
23 | 23 |
1 |
Prime factors of 2898 are 2, 3, 7,23. Prime factorization of 2898 in exponential form is:
2898 = 21×32×71×231
Prime Factorization of 2905
5 | 2905 |
7 | 581 |
83 | 83 |
1 |
Prime factors of 2905 are 5, 7,83. Prime factorization of 2905 in exponential form is:
2905 = 51×71×831
Now multiplying the highest exponent prime factors to calculate the LCM of 2898 and 2905.
LCM(2898,2905) = 21×32×51×71×231×831
LCM(2898,2905) = 1202670
Factors of 2898
List of positive integer factors of 2898 that divides 2898 without a remainder.
1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 63, 69, 126, 138, 161, 207, 322, 414, 483, 966, 1449, 2898
Factors of 2905
List of positive integer factors of 2905 that divides 2905 without a remainder.
1, 5, 7, 35, 83, 415, 581, 2905
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2898 and 2905, than apply into the LCM equation.
GCF(2898,2905) = 7
LCM(2898,2905) = ( 2898 × 2905) / 7
LCM(2898,2905) = 8418690 / 7
LCM(2898,2905) = 1202670
(i) The LCM of 2905 and 2898 is associative
LCM of 2898 and 2905 = LCM of 2905 and 2898
1. What is the LCM of 2898 and 2905?
Answer: LCM of 2898 and 2905 is 1202670.
2. What are the Factors of 2898?
Answer: Factors of 2898 are 1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 63, 69, 126, 138, 161, 207, 322, 414, 483, 966, 1449, 2898. There are 24 integers that are factors of 2898. The greatest factor of 2898 is 2898.
3. What are the Factors of 2905?
Answer: Factors of 2905 are 1, 5, 7, 35, 83, 415, 581, 2905. There are 8 integers that are factors of 2905. The greatest factor of 2905 is 2905.
4. How to Find the LCM of 2898 and 2905?
Answer:
Least Common Multiple of 2898 and 2905 = 1202670
Step 1: Find the prime factorization of 2898
2898 = 2 x 3 x 3 x 7 x 23
Step 2: Find the prime factorization of 2905
2905 = 5 x 7 x 83
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 1202670 = 2 x 3 x 3 x 5 x 7 x 23 x 83
Step 4: Therefore, the least common multiple of 2898 and 2905 is 1202670.