Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 673 and 680 the smallest integer that is 457640 that is divisible by both numbers.
Least Common Multiple (LCM) of 673 and 680 is 457640.
LCM(673,680) = 457640
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 673 and 680. First we will calculate the prime factors of 673 and 680.
Prime Factorization of 673
673 | 673 |
1 |
Prime factors of 673 are 673. Prime factorization of 673 in exponential form is:
673 = 6731
Prime Factorization of 680
2 | 680 |
2 | 340 |
2 | 170 |
5 | 85 |
17 | 17 |
1 |
Prime factors of 680 are 2, 5,17. Prime factorization of 680 in exponential form is:
680 = 23×51×171
Now multiplying the highest exponent prime factors to calculate the LCM of 673 and 680.
LCM(673,680) = 23×51×171×6731
LCM(673,680) = 457640
Factors of 673
List of positive integer factors of 673 that divides 673 without a remainder.
1, 673
Factors of 680
List of positive integer factors of 680 that divides 680 without a remainder.
1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 673 and 680, than apply into the LCM equation.
GCF(673,680) = 1
LCM(673,680) = ( 673 × 680) / 1
LCM(673,680) = 457640 / 1
LCM(673,680) = 457640
(i) The LCM of 680 and 673 is associative
LCM of 673 and 680 = LCM of 680 and 673
1. What is the LCM of 673 and 680?
Answer: LCM of 673 and 680 is 457640.
2. What are the Factors of 673?
Answer: Factors of 673 are 1, 673. There are 2 integers that are factors of 673. The greatest factor of 673 is 673.
3. What are the Factors of 680?
Answer: Factors of 680 are 1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680. There are 16 integers that are factors of 680. The greatest factor of 680 is 680.
4. How to Find the LCM of 673 and 680?
Answer:
Least Common Multiple of 673 and 680 = 457640
Step 1: Find the prime factorization of 673
673 = 673
Step 2: Find the prime factorization of 680
680 = 2 x 2 x 2 x 5 x 17
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 457640 = 2 x 2 x 2 x 5 x 17 x 673
Step 4: Therefore, the least common multiple of 673 and 680 is 457640.