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What is the difference between finding the least common multiple and finding the greatest common factor of two numbers?
The GCF is what goes into the numbers, the LCM is what the numbers go into. Example: 30 and 42 Factor them. 2 x 3 x 5 = 30 2 x 3 x 7 = 42 Select the common factors. 2 x 3 = 6, the GCF Combine the factors, eliminating duplicates. 2 x 3 x 5 x 7 = 210, the LCM.
Hom many numbers can go into 42?
The positive whole-number factors of 42 are: 1, 2, 3, 6, 7, 14, 21, and 42.
What do 21 and 14 both go into?
The lowest common multiple - is 42 !
What number does 54 and 42 go into evenly?
Their lowest common multiple is 378
How do you reduce the fraction 36 over 54 to its lowest terms?
To reduce any fraction to its lowest terms, divide the numeratorand the denominator by their greatest common factor.You have 36/54.The factors of 36 are 1, 2, 3, 4, 6, 9, 12, 18, and 36.The factors of 54 are 1, 2, 3, 6, 9, 18, 27, and 54.The common factors are 1, 2, 3, 6, 9, and 18.The greatest common factor is 18 .36 / 18 = 254 / 18 = 336/54 = 2/3Note:That's why you had to spend all that time doing common factors andgreatest common factor before you could go on to doing fractions.
What is the greatest common factor of 42 and 98?
The greatest common factor is the highest number that divides exactly into two or more numbers.42: 1, 2, 3, 6, 7, 14, 21, 4298: 1, 2, 7, 14, 49, 98The GCF of 42 and 98 is 14.If you're not a good guesser the best way to go about doing this is to list all the factors of each number, like so:42-- 98--1 12 23 76 147142142Well, I did not list all the factors of 98, but I know that since 98 is not divisible by 21 or 42 that the greatest common factor is 14.Answer: 14
What is the greatest common factor go 168 630 462 and 2940?
The GCF is 42.
What are the common factors and greatest common factor of 22 and 33?
There cannot be a greatest common factor (GCF) of just one number. To be common there need to be at least two numbers. If you find all the factors of two or more numbers, and you find some factors are the same ("common"), then the largest of those common factors is the Greatest Common Factor.
What numbers go into 56 42 and 35?
The common factors are: 1, 7
What greatest common factors go into 32?
There cannot be a greatest common factor if there are not at least two numbers to compare. The greatest common factor is the largest factor that all the numbers have in common - the largest factor that they all share.
What greatest common factors go into 96?
You need at least two numbers to find a GCF.
What are the difference between multiples of 42 and the factors of 42?
Factors go into numbers, numbers go into multiples. Factors of 42: 1, 2, 3, 6, 7, 14, 21, 42 Multiples of 42: 42, 84, 126 and so on.
What are the greatest common factors of 14 and 20?
Answer = 2Greatest common factor is largest number 20 or below they both go into evenly
How are common factors and greatest common factors alike and dislike?
The greatest common factor, or GCF, is the largest positive integer that will divide evenly with no remainder into all the members of a given set of numbers. The least common multiple, or LCM, is the smallest positive integer that all the members of a given set of numbers will divide into evenly with no remainder. Factors go into numbers, numbers go into multiples.
What is the greatest common factor of 50 and 23?
1. There are no other common factors (noticed because 23 is prime and doesn't go into 50)
Why is 42 the greatest common factor of 588 and 126?
2 x 3 x 3 x 7 = 126 2 x 2 x 3 x 7 x 7 = 588 2 x 3 x 7 = 42 42 is the largest (greatest) number that can go into both (common) numbers equally.
What is the greatest number that will go in to 36 and 42?
It is: 6
