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I can recognise and find factor pairs

How to Find Factors

Choose which level of work you feel confident completing today. The stars in the corner of the sheet show each level. (You do not need to print this off. You can simply write your answers in your book)
You may wish to do some rainbow factor pairs using this sheet below:



Some numbers only have the number 1 and itself as a factor. These are called Prime Numbers. The following numbers are prime because they can only be divided by 1 and itself. Can you find the next 5 prime numbers?


1, 2, 3, 5, ____, _____, _____, _____, _____.


Why wasn't the number 4 in the list above?