Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 677 and 679 the smallest integer that is 459683 that is divisible by both numbers.
Least Common Multiple (LCM) of 677 and 679 is 459683.
LCM(677,679) = 459683
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 677 and 679. First we will calculate the prime factors of 677 and 679.
Prime Factorization of 677
677 | 677 |
1 |
Prime factors of 677 are 677. Prime factorization of 677 in exponential form is:
677 = 6771
Prime Factorization of 679
7 | 679 |
97 | 97 |
1 |
Prime factors of 679 are 7,97. Prime factorization of 679 in exponential form is:
679 = 71×971
Now multiplying the highest exponent prime factors to calculate the LCM of 677 and 679.
LCM(677,679) = 71×971×6771
LCM(677,679) = 459683
Factors of 677
List of positive integer factors of 677 that divides 677 without a remainder.
1, 677
Factors of 679
List of positive integer factors of 679 that divides 679 without a remainder.
1, 7, 97, 679
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 677 and 679, than apply into the LCM equation.
GCF(677,679) = 1
LCM(677,679) = ( 677 × 679) / 1
LCM(677,679) = 459683 / 1
LCM(677,679) = 459683
(i) The LCM of 679 and 677 is associative
LCM of 677 and 679 = LCM of 679 and 677
1. What is the LCM of 677 and 679?
Answer: LCM of 677 and 679 is 459683.
2. What are the Factors of 677?
Answer: Factors of 677 are 1, 677. There are 2 integers that are factors of 677. The greatest factor of 677 is 677.
3. What are the Factors of 679?
Answer: Factors of 679 are 1, 7, 97, 679. There are 4 integers that are factors of 679. The greatest factor of 679 is 679.
4. How to Find the LCM of 677 and 679?
Answer:
Least Common Multiple of 677 and 679 = 459683
Step 1: Find the prime factorization of 677
677 = 677
Step 2: Find the prime factorization of 679
679 = 7 x 97
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 459683 = 7 x 97 x 677
Step 4: Therefore, the least common multiple of 677 and 679 is 459683.