Topics
1. Number
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iGCSE (2021 Edition)

1.05 Prime factorisations

Lesson
Worksheet
Practice

Interactive practice questions

Select the two prime numbers from the list below.

$9$9

A

$12$12

B

$5$5

C

$8$8

D

$2$2

E

$10$10

F
Easy
< 1min

Select the three prime numbers from the list below.

Easy
< 1min

Select the two prime numbers from the list below.

Easy
< 1min

A number has the following factor tree:

Easy
< 1min
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Outcomes

0607C1.1

Vocabulary and notation for different sets of numbers: natural numbers N, primes, squares, cubes, integers Z, rational numbers Q, irrational numbers, real numbers R, triangle numbers.

0607E1.1

Vocabulary and notation for different sets of numbers: natural numbers N, primes, squares, cubes, integers Z, rational numbers Q, irrational numbers, real numbers R, triangle numbers.

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