Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 2638 and 2641 the smallest integer that is 6966958 that is divisible by both numbers.
Least Common Multiple (LCM) of 2638 and 2641 is 6966958.
LCM(2638,2641) = 6966958
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 2638 and 2641. First we will calculate the prime factors of 2638 and 2641.
Prime Factorization of 2638
2 | 2638 |
1319 | 1319 |
1 |
Prime factors of 2638 are 2,1319. Prime factorization of 2638 in exponential form is:
2638 = 21×13191
Prime Factorization of 2641
19 | 2641 |
139 | 139 |
1 |
Prime factors of 2641 are 19,139. Prime factorization of 2641 in exponential form is:
2641 = 191×1391
Now multiplying the highest exponent prime factors to calculate the LCM of 2638 and 2641.
LCM(2638,2641) = 21×191×1391×13191
LCM(2638,2641) = 6966958
Factors of 2638
List of positive integer factors of 2638 that divides 2638 without a remainder.
1, 2, 1319, 2638
Factors of 2641
List of positive integer factors of 2641 that divides 2641 without a remainder.
1, 19, 139, 2641
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2638 and 2641, than apply into the LCM equation.
GCF(2638,2641) = 1
LCM(2638,2641) = ( 2638 × 2641) / 1
LCM(2638,2641) = 6966958 / 1
LCM(2638,2641) = 6966958
(i) The LCM of 2641 and 2638 is associative
LCM of 2638 and 2641 = LCM of 2641 and 2638
1. What is the LCM of 2638 and 2641?
Answer: LCM of 2638 and 2641 is 6966958.
2. What are the Factors of 2638?
Answer: Factors of 2638 are 1, 2, 1319, 2638. There are 4 integers that are factors of 2638. The greatest factor of 2638 is 2638.
3. What are the Factors of 2641?
Answer: Factors of 2641 are 1, 19, 139, 2641. There are 4 integers that are factors of 2641. The greatest factor of 2641 is 2641.
4. How to Find the LCM of 2638 and 2641?
Answer:
Least Common Multiple of 2638 and 2641 = 6966958
Step 1: Find the prime factorization of 2638
2638 = 2 x 1319
Step 2: Find the prime factorization of 2641
2641 = 19 x 139
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 6966958 = 2 x 19 x 139 x 1319
Step 4: Therefore, the least common multiple of 2638 and 2641 is 6966958.