HowStuffWorks on MSN4 个月
Finding Factors of 36: Factor Trees and Prime Factorization
You'll most often encounter factors in the following way: You'll receive a number (from your teacher, a homework problem, a ...
BBC4 年
Prime factors – WJEC Highest common factor
For example, the common factors of 40 and 16 are 2, 4 and 8. The HCF of 40 and 16 is therefore 8. This is the largest number that 'goes into' both numbers. Find the HCF of 12 and 20. The factors ...