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Help With Fractions: Prime Numbers Chart

For Students 9th - 10th Standards
Prime and composite numbers are defined on this website. A prime number chart is also included for all prime numbers under 10,000.
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University of Cambridge

University of Cambridge: Nrich: Penta Primes

For Students 3rd - 8th Standards
Using only the single digits listed make as many prime numbers as you can for this challenge. After you have your list you can check this one page website and it will show you the solution.

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