Year 5 Prime Number Investigation

We have been investigating Prime Numbers in Mathematics this morning. We have had some challenging questions to answer:

– Is 1 a Prime Number?
– Which Number between 1-30 has the most factors?
– 13 and 31 are Prime Numbers, can you think of any other 2 digits that remain as Prime Numbers when reversed!

Our heads are hurting but we have had lots of fun working them out!

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