--- title: "Prime Numbers In Year 5" url: "https://www.st-bridgets-pri.cumbria.sch.uk/blog/2024-10-18-16-32-00-prime-numbers-in-year-5" school: "St Bridget's Catholic Primary School" --- # Prime Numbers In Year 5 ![Image of Prime Numbers In Year 5](https://files.schudio.com/st-bridget-s-catholic-primary-school/images/blog/IMG_4498.jpeg) 18 October 2024 [Mrs Newby](https://www.st-bridgets-pri.cumbria.sch.uk/blog/author/vnewby) [Year 5](https://www.st-bridgets-pri.cumbria.sch.uk/blog/category/year-5) In maths, we have been studying prime numbers. To help us grasp this concept, we created arrays using counters. We found that if we can only form 2 arrays for a number, then it has just 2 factors: 1 and itself, which means it is a prime number. ### Maths Y5 18.10.24 [![](https://files.schudio.com/st-bridget-s-catholic-primary-school/imagecache/720x720s/gallery/maths-y5-18-10-24/IMG_4494.jpeg)](https://files.schudio.com/st-bridget-s-catholic-primary-school/images/gallery/maths-y5-18-10-24/IMG_4494.jpeg) [![](https://files.schudio.com/st-bridget-s-catholic-primary-school/imagecache/720x720s/gallery/maths-y5-18-10-24/IMG_4514.jpeg)](https://files.schudio.com/st-bridget-s-catholic-primary-school/images/gallery/maths-y5-18-10-24/IMG_4514.jpeg) [![](https://files.schudio.com/st-bridget-s-catholic-primary-school/imagecache/720x720s/gallery/maths-y5-18-10-24/IMG_4513.jpeg)](https://files.schudio.com/st-bridget-s-catholic-primary-school/images/gallery/maths-y5-18-10-24/IMG_4513.jpeg) 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