Factors, multiple, primes: Types of numbers from prime factors

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Presentation transcript:

Factors, multiple, primes: Types of numbers from prime factors True/false Reflect Your Turn 5 2 × 7 2 (Square / Cube / Neither) 2× 5 2 × 7 2 (Square / Cube / Neither) 2 2 × 5 2 × 7 2 (Square / Cube / Neither) Rule

Product of prime factors Square number Cube number Neither 2×3 3×3 3 2 3 3 3 3 ×7 3 3 × 7 2 3 3 × 7 3 3 2 × 7 2 5 2 × 7 2 2× 5 2 × 7 2 2 2 × 5 2 × 7 2 2 3 × 5 2 × 7 2 2 3 × 5 3 × 7 3 @mrbartonmaths

Product of prime factors Square number Cube number Neither 2 4 × 5 4 × 7 4 2 5 × 5 5 × 7 5 2 6 × 5 6 × 7 6 2 7 × 5 7 × 7 7 2 8 × 5 8 × 7 8 2 9 × 5 9 × 7 9 2 9 × 5 9 × 7 6 2 2 × 5 9 × 7 6 2 3 × 5 9 × 7 6 2 6 × 5 18 × 7 12 2 6 × 5 18 × 7 12 ×11 2 6 × 5 18 × 7 12 × 11 2 2 6 × 5 18 × 7 12 × 11 3 @mrbartonmaths

 Product of prime factors Square number Cube number Neither 2×3 3×3 3 2 3 3 3 3 ×7 3 3 × 7 2 3 3 × 7 3 3 2 × 7 2 5 2 × 7 2 2× 5 2 × 7 2 2 2 × 5 2 × 7 2 2 3 × 5 2 × 7 2 2 3 × 5 3 × 7 3 @mrbartonmaths

Product of prime factors Square number Cube number Neither 2 4 × 5 4 × 7 4  2 5 × 5 5 × 7 5 2 6 × 5 6 × 7 6 2 7 × 5 7 × 7 7 2 8 × 5 8 × 7 8 2 9 × 5 9 × 7 9 2 9 × 5 9 × 7 6 2 2 × 5 9 × 7 6 2 3 × 5 9 × 7 6 2 6 × 5 18 × 7 12 2 6 × 5 18 × 7 12 ×11 2 6 × 5 18 × 7 12 × 11 2 2 6 × 5 18 × 7 12 × 11 3 @mrbartonmaths

Your Turn Product of prime factors Square number Cube number Neither 5 2 ×11 5 2 × 11 8 5 6 × 11 8 5 6 × 11 9 5 6 × 11 9 × 17 13 @mrbartonmaths

Your Turn - answers Product of prime factors Square number Cube number Neither 5 2 ×11  5 2 × 11 8 5 6 × 11 8 5 6 × 11 9 5 6 × 11 9 × 17 13 @mrbartonmaths