How can you tell if a number is prime? And what is the fastest way to tell if a number is a prime number? A prime number is a number that has just two factors: the number 1 and itself. Therefore, when finding all the factors of a number if you end up with just …
How do you do divide 180 by 5? How can you do division on these two numbers and then check you’ve got the right answer? Division helps to answer how many times a number fits into another number and if there is anything remaining. Therefore, division involves two numbers to start: the divisor and the …
How can you quickly find the factors of a number? Factors are the numbers that divide into another number without leaving a remainder and can never be bigger than the original number. To find factors quickly start with the number 1 and ask yourself the question: can 1 be divided into the original number without …
What is the fastest way to finding the highest common factor (HCF) between two numbers, and how can you check your answer? The quickest way to find the highest common factor between two numbers is to start by identifying all the factors of the smallest number first, then with this list, starting from the biggest …
How can you tell if a number is prime? And what is the fastest way to tell if a number is a prime number? A prime number is a number that has just two factors: the number 1 and itself. Therefore, when finding all the factors of a number if you end up with just …
How do you do divide 150 by 5? How can you do division on these two numbers and then check you’ve got the right answer? Division helps to answer how many times a number fits into another number and if there is anything remaining. Therefore, division involves two numbers to start: the divisor and the …