Many people find factor trees to be the easiest.
Chat with our AI personalities
do the prime factorization of the 3 numbers. list the prime factors of all the 3 numbers. circle the factors that are common to the 3. multiply them. that number is the HCF
Factor trees, ladders, fireworks, rainbows... They're all the same thing; ways to notate the prime factorization of a given number. It doesn't matter where you write the factors on the page, pick the easiest way for you to keep track of them. Example: 210 7,5,3,2 35,3,2 105,2 210
Prime factorization is a way of writing a composite number as the product of its prime factors. The prime factors of 6 are 2 and 3. 2 x 3 is the prime factorization of 6.
Study them.
The prime factorization for 53 is: 1 x 53 .Exponents would only get in the way.