Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 668 and 674 the smallest integer that is 225116 that is divisible by both numbers.
Least Common Multiple (LCM) of 668 and 674 is 225116.
LCM(668,674) = 225116
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 668 and 674. First we will calculate the prime factors of 668 and 674.
Prime Factorization of 668
2 | 668 |
2 | 334 |
167 | 167 |
1 |
Prime factors of 668 are 2,167. Prime factorization of 668 in exponential form is:
668 = 22×1671
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
Now multiplying the highest exponent prime factors to calculate the LCM of 668 and 674.
LCM(668,674) = 22×1671×3371
LCM(668,674) = 225116
Factors of 668
List of positive integer factors of 668 that divides 668 without a remainder.
1, 2, 4, 167, 334, 668
Factors of 674
List of positive integer factors of 674 that divides 674 without a remainder.
1, 2, 337, 674
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 668 and 674, than apply into the LCM equation.
GCF(668,674) = 2
LCM(668,674) = ( 668 × 674) / 2
LCM(668,674) = 450232 / 2
LCM(668,674) = 225116
(i) The LCM of 674 and 668 is associative
LCM of 668 and 674 = LCM of 674 and 668
1. What is the LCM of 668 and 674?
Answer: LCM of 668 and 674 is 225116.
2. What are the Factors of 668?
Answer: Factors of 668 are 1, 2, 4, 167, 334, 668. There are 6 integers that are factors of 668. The greatest factor of 668 is 668.
3. 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.
4. How to Find the LCM of 668 and 674?
Answer:
Least Common Multiple of 668 and 674 = 225116
Step 1: Find the prime factorization of 668
668 = 2 x 2 x 167
Step 2: Find the prime factorization of 674
674 = 2 x 337
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 225116 = 2 x 2 x 167 x 337
Step 4: Therefore, the least common multiple of 668 and 674 is 225116.