Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 674 and 679 the smallest integer that is 457646 that is divisible by both numbers.
Least Common Multiple (LCM) of 674 and 679 is 457646.
LCM(674,679) = 457646
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 674 and 679. First we will calculate the prime factors of 674 and 679.
Prime Factorization of 674
2 | 674 |
337 | 337 |
1 |
Prime factors of 674 are 2,337. Prime factorization of 674 in exponential form is:
674 = 21×3371
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 674 and 679.
LCM(674,679) = 21×71×971×3371
LCM(674,679) = 457646
Factors of 674
List of positive integer factors of 674 that divides 674 without a remainder.
1, 2, 337, 674
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 674 and 679, than apply into the LCM equation.
GCF(674,679) = 1
LCM(674,679) = ( 674 × 679) / 1
LCM(674,679) = 457646 / 1
LCM(674,679) = 457646
(i) The LCM of 679 and 674 is associative
LCM of 674 and 679 = LCM of 679 and 674
1. What is the LCM of 674 and 679?
Answer: LCM of 674 and 679 is 457646.
2. What are the Factors of 674?
Answer: Factors of 674 are 1, 2, 337, 674. There are 4 integers that are factors of 674. The greatest factor of 674 is 674.
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 674 and 679?
Answer:
Least Common Multiple of 674 and 679 = 457646
Step 1: Find the prime factorization of 674
674 = 2 x 337
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 = 457646 = 2 x 7 x 97 x 337
Step 4: Therefore, the least common multiple of 674 and 679 is 457646.