Table of Contents
What is the greatest common factor GCF of 63 and 42?
The GCF of 42 and 63 is 21.
What is the LCM for 42 and 63?
126
Answer: LCM of 42 and 63 is 126.
What is the greatest common multiple of 40 and 63?
1
Answer: GCF of 40 and 63 is 1.
What is the greatest common factor of 42 and 56?
14
Answer: GCF of 42 and 56 is 14.
How do you find the least common multiple of 42?
To find the LCM of 42 and 54 using prime factorization, we will find the prime factors, (42 = 2 × 3 × 7) and (54 = 2 × 3 × 3 × 3). LCM of 42 and 54 is the product of prime factors raised to their respective highest exponent among the numbers 42 and 54. ⇒ LCM of 42, 54 = 21 × 33 × 71 = 378.
Whats the greatest common factor of 45 and 60?
15
Answer: GCF of 45 and 60 is 15.
What is the greatest common factor 27 and 63?
9
Answer: GCF of 27 and 63 is 9.
What is the greatest common factor of 42 63 and 84?
We found the factors and prime factorization of 42 and 63. The biggest common factor number is the GCF number. So the greatest common factor 42 and 63 is 21.
What is the LCM of 42 and 63?
The lcm of 63 and 42 is the smallest positive integer that divides the numbers 63 and 42 without a remainder. Spelled out, it is the least common multiple of 63 and 42.
How do you calculate the greatest common factor?
To find the greatest common factor (GCF) between numbers, take each number and write it’s prime factorization. Then, identify the factors common to each number and multiply those common factors together.
What is the least common factor of 36 and 42?
To get the Least Common Multiple (LCM) of 36 and 42 we need to factor each value first and then we choose all the factors which appear in any column and multiply them: The Least Common Multiple (LCM) is: 2 x 2 x 3 x 3 x 7 = 252.
How to find the greatest common factor?
List the prime factors of each number.