2 pages · highest common factor by listing, prime factorisation and the division method
HCF of two numbers, worked
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The HCF is taught in Year 6 and 7 in the UK (KS2 and KS3), Class 5 and 6 in CBSE (NCERT Class 6, Playing with Numbers) and Year 6 in Australia; in the US it is the GCF.
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