Number Theory: Factors, Multiples, LCM & GCF (Grade 5) - Set A
Prime factorisation, factors, multiples, and finding LCM and GCF.
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Math · Grade 5
Number Theory: Factors, Multiples, LCM & GCF
Factorise, list factors and multiples, and find the LCM and GCF.
- 1.Write the prime factorisation of 66.
- 2.Write the prime factorisation of 56.
- 3.Write the prime factorisation of 76.
- 4.Write the prime factorisation of 48.
- 5.Write the prime factorisation of 64.
- 6.List all the factors of 31.
- 7.List all the factors of 15.
- 8.List all the factors of 20.
- 9.List all the factors of 46.
- 10.List the first 5 multiples of 4.
- 11.List the first 5 multiples of 11.
- 12.List the first 5 multiples of 11.
- 13.Find the GCF (greatest common factor) of 18 and 25.
- 14.Find the GCF (greatest common factor) of 36 and 18.
- 15.Find the GCF (greatest common factor) of 13 and 42.
- 16.Find the GCF (greatest common factor) of 14 and 42.
- 17.Find the LCM (least common multiple) of 7 and 11.
- 18.Find the LCM (least common multiple) of 10 and 10.
- 19.Find the LCM (least common multiple) of 6 and 9.
- 20.Find the LCM (least common multiple) of 11 and 12.
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