Prime Numbers Flashcards

GCSE Mathematics (Edexcel) 1MA1

Prime number

A number greater than 1 that has exactly two factors: 1 and itself.

1 / 10
GenieCreated by Genie
10 Cards

Ready to master these flashcards?

Sign in to study with spaced repetition and track your progress.

Sign In to Track Progress

Terms in this set (10)

1

Prime number

A number greater than 1 that has exactly two factors: 1 and itself.

2

Smallest prime number

The smallest prime number is 2.

3

Only even prime number

The only even prime number is 2.

4

Prime factors

The prime numbers that multiply together to make a given number.

5

Prime factorisation

Writing a number as a product of its prime factors.

6

Method to find prime factors

Use a factor tree or repeated division by prime numbers.

7

Example of a prime number

Examples of prime numbers include 2, 3, 5, 7, 11, 13, etc.

8

Example of a non-prime number

Examples of non-prime numbers include 4, 6, 8, 9, 10, etc., as they have more than two factors.

9

Highest common factor (HCF) using primes

The HCF of two numbers is found by multiplying the common prime factors.

10

Lowest common multiple (LCM) using primes

The LCM of two numbers is found by multiplying the highest powers of all prime factors.

Genie

Want to Learn More?

Get personalised lessons, quizzes, and instant feedback from your AI tutor.

Start Learning