Look at the digits 36 42 54 28 84 and 77. Least common multiple lcm worksheets.

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Greatest common factor answer key find the greatest common factor for each pair of numbers.

Common factors worksheet pdf. 1 4 8 factors of 4 factors of 8 gcf 4 8 2 12 20 factors of 12 factors of 20 gcf 12 20 3 21 3 factors of 21. Is 7 a common factor of 42 and 84. Multiply the common factors to obtain the gcf of the three numbers.

Math worksheet greatest common factor created date. Also note that the terms do not all share any common variables. Number sense worksheet common factors and greatest common factor author.

Note that the gcf of the coefficients 28 36 and 17 is 1. For questions 1 2 factor the greatest common factor. Is 6 a common factor of 54 and 148.

Name factor the greatest common factor. These factors worksheets will generate 10 15 or 20 greatest common factor problems per worksheet. The worksheets can be made in pdf or html formats you can choose the number ranges the number of problems workspace font size and border.

Greatest common factor when you find all the factors of two or more numbers and you find some factors are the same common the largest of those common factors is the greatest common factor gcf. Finding the greatest common factor of whole numbers find the gcf of each using the prime factorization of each whole number. Create free printable worksheets for finding the greatest common factor gfc and least common multiple lcm of up to 6 numbers.

Apply prime factorization method to list out the common factors. Is 238 a multiple of 8 and 4. Is 175 a multiple of 5 and 25.

The problems may be selected from four different number ranges. Notes on factoring by gcf page ii. Worksheets in which students determine the least common multiple or lcm for each number set.

Write down all the numbers which have 6 as a factor. Simplifying fractions equivalent fractions operations with fractions. Least common multiple worksheets these factors worksheets are great for practicing finding the least common multiple of number sets.

1 33 22 2 41 22 3 30 20 4 45 33 5 27 33 6 7 33 7 32 48 8 24 48 9 30 40 10 44 22 11 5 92 12 12 80. Obviously it makes little sense to write. Do not use exponents.

In this bunch of 7th grade and 8th grade pdf worksheets determine the gcf for the set of three numbers. Is 4 a common factor of 92 and 62. Here you ll find resources to help students review multiples of given numbers.

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