Video Transcripts Prime Factorization of Mathematical Expressions An example of a composite mathematical expression is 6x squared times 5x plus 15. To write this expression as a product of primes, we ...

Prime numbers A prime number has exactly two factors, itself and one. The first ten prime numbers are 2, 3, 5, 7, 11, 13, 17, 19, 23 and 29.

KS3 Maths Prime numbers, factors and multiples learning resources for adults, children, parents and teachers.