What is the Least Common Multiple of 18 and 42? Least common multiple (LCM) of 18 and 42 is 126.
What is the GCF of 18 24 and 42?
We found the factors and prime factorization of 18 and 42. The biggest common factor number is the GCF number. So the greatest common factor 18 and 42 is 6.
What are the common multiples of 18 and 42?
FAQs on LCM of 18 and 42 The LCM of 18 and 42 is 126. To find the LCM (least common multiple) of 18 and 42, we need to find the multiples of 18 and 42 (multiples of 18 = 18, 36, 54, 72 . . . . 126; multiples of 42 = 42, 84, 126, 168) and choose the smallest multiple that is exactly divisible by 18 and 42, i.e., 126.
What are the common factors of 42 and 18?
The Greatest Common Factor (GCF) for 18 and 42, notation CGF(18,42), is 6. Explanation: The factors of 18 are 1,2,3,6,9,18; The factors of 42 are 1,2,3,6,7,14,21,42.
What is the greatest common factor of 30 and 42?
The Greatest Common Factor (GCF) for 30 and 42, notation CGF (30,42), is 6. The factors of 42 are 1,2,3,6,7,14,21,42. So, as we can see, the Greatest Common Factor or Divisor is 6, because it is the greatest number that divides evenly into all of them. Quote of the day …
Which is the greatest common factor of 18 and 42?
The biggest common factor number is the GCF number. So the greatest common factor 18 and 42 is 6.
How is the greatest common factor ( GCF ) calculated?
Include the highest number of occurrences of each prime factor that is common to each original number. Multiply these together to get the GCF. You will see that as numbers get larger the prime factorization method may be easier than straight factoring. The prime factorization of 18 is 2 x 3 x 3 = 18.
Which is the greatest common factor of 18 and 27?
The occurrences of common prime factors of 18 and 27 are 3 and 3. So the greatest common factor of 18 and 27 is 3 x 3 = 9. The prime factorization of 20 is 2 x 2 x 5 = 20. The prime factorization of 50 is 2 x 5 x 5 = 50. The prime factorization of 120 is 2 x 2 x 2 x 3 x 5 = 120.
