Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 2779 and 2786 the smallest integer that is 1106042 that is divisible by both numbers.
Least Common Multiple (LCM) of 2779 and 2786 is 1106042.
LCM(2779,2786) = 1106042
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 2779 and 2786. First we will calculate the prime factors of 2779 and 2786.
Prime Factorization of 2779
7 | 2779 |
397 | 397 |
1 |
Prime factors of 2779 are 7,397. Prime factorization of 2779 in exponential form is:
2779 = 71×3971
Prime Factorization of 2786
2 | 2786 |
7 | 1393 |
199 | 199 |
1 |
Prime factors of 2786 are 2, 7,199. Prime factorization of 2786 in exponential form is:
2786 = 21×71×1991
Now multiplying the highest exponent prime factors to calculate the LCM of 2779 and 2786.
LCM(2779,2786) = 21×71×1991×3971
LCM(2779,2786) = 1106042
Factors of 2779
List of positive integer factors of 2779 that divides 2779 without a remainder.
1, 7, 397, 2779
Factors of 2786
List of positive integer factors of 2786 that divides 2786 without a remainder.
1, 2, 7, 14, 199, 398, 1393, 2786
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2779 and 2786, than apply into the LCM equation.
GCF(2779,2786) = 7
LCM(2779,2786) = ( 2779 × 2786) / 7
LCM(2779,2786) = 7742294 / 7
LCM(2779,2786) = 1106042
(i) The LCM of 2786 and 2779 is associative
LCM of 2779 and 2786 = LCM of 2786 and 2779
1. What is the LCM of 2779 and 2786?
Answer: LCM of 2779 and 2786 is 1106042.
2. What are the Factors of 2779?
Answer: Factors of 2779 are 1, 7, 397, 2779. There are 4 integers that are factors of 2779. The greatest factor of 2779 is 2779.
3. What are the Factors of 2786?
Answer: Factors of 2786 are 1, 2, 7, 14, 199, 398, 1393, 2786. There are 8 integers that are factors of 2786. The greatest factor of 2786 is 2786.
4. How to Find the LCM of 2779 and 2786?
Answer:
Least Common Multiple of 2779 and 2786 = 1106042
Step 1: Find the prime factorization of 2779
2779 = 7 x 397
Step 2: Find the prime factorization of 2786
2786 = 2 x 7 x 199
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 1106042 = 2 x 7 x 199 x 397
Step 4: Therefore, the least common multiple of 2779 and 2786 is 1106042.