2 marks

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## Glossary

### union

The union of two sets A and B is the set containing all the elements of A and B.

## This question appears in the following syllabi:

Syllabus | Module | Section | Topic | Exam Year |
---|---|---|---|---|

AQA GCSE (9-1) Foundation (UK) | N: Structure and Calculation | N4: Factors and Multiples | Further Factors and Multiples | - |

CBSE X (India) | Number Systems | Real Numbers | Fundamental theorem of arithmetic | - |

CIE IGCSE (9-1) Maths (0626 UK) | 1 Number | B1.1 Understanding Numbers | Further Factors and Multiples | - |

Edexcel GCSE (9-1) Foundation (UK) | N: Structure and Calculation | N4: Factors and Multiples | Further Factors and Multiples | - |

GCSE Higher (UK) | Number | Arithmetic | Factors & multiples | - |

OCR GCSE (9-1) Foundation (UK) | 1: Number Operations and Integers | 1.02c: HCF and LCM | Further Factors and Multiples | - |

Universal (all site questions) | A | Arithmetic | Factors & multiples | - |