Welcome to "What are Prime Numbers?" with Mr. J! Need help with prime numbers? You're in the right place!

Prime numbers are numbers that have only 2 factors: 1 and themselves. For example, the first 5 prime numbers are 2, 3, 5, 7, and 11. By contrast, numbers with more than 2 factors are call …

In this lesson we have a chart for numbers 1-30, and I check whether each of them is divisible by 1, 2, 3, 4, 5, 6, 7, 8, and 9. Primes are numbers that are only divisible by 1 and by themselves.

This is "Sum7.5.3 - Recognise and identify prime numbers" by White Rose Education on Vimeo, the home for high quality videos and the people who love them.

Educational video for children that talks about about prime numbers. Prime numbers are whole numbers that can only be divided by 1 and themselves. This means that they only have two …

Discover the definition of prime numbers in this 5-minute video. Watch to see examples explained clearly, then test your knowledge with an optional quiz.

Interactive math video lesson on Prime numbers: Their only factors are 1 and themselves - and more on algebra

Watch or listen to the Prime Numbers video tutorial, a useful way to help you revise when travelling to and from school/college Arithmetic Revision Notes: Prime Numbers.

This video lesson on prime numbers teaches about prime numbers focusing on the Sieve of Eratosthenes. This sieve filters out all the composite numbers and le...

Prime Numbers - explained simply using sofatutor videos. Test your knowledge afterwards with worksheets and exercises.