Number Theory: Factors, Multiples, LCM & GCF (Grade 4) - Set B
Prime factorisation, factors, multiples, and finding LCM and GCF.
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Math · Grade 4
Number Theory: Factors, Multiples, LCM & GCF
Factorise, list factors and multiples, and find the LCM and GCF.
- 1.Write the prime factorisation of 61.
- 2.Write the prime factorisation of 76.
- 3.Write the prime factorisation of 14.
- 4.Write the prime factorisation of 16.
- 5.Write the prime factorisation of 86.
- 6.List all the factors of 48.
- 7.List all the factors of 45.
- 8.List all the factors of 36.
- 9.List all the factors of 13.
- 10.List the first 5 multiples of 11.
- 11.List the first 5 multiples of 6.
- 12.List the first 5 multiples of 8.
- 13.Find the GCF (greatest common factor) of 27 and 44.
- 14.Find the GCF (greatest common factor) of 11 and 20.
- 15.Find the GCF (greatest common factor) of 18 and 32.
- 16.Find the GCF (greatest common factor) of 31 and 15.
- 17.Find the LCM (least common multiple) of 6 and 11.
- 18.Find the LCM (least common multiple) of 3 and 6.
- 19.Find the LCM (least common multiple) of 2 and 3.
- 20.Find the LCM (least common multiple) of 2 and 10.
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