0580/22 Oct/Nov 2022, Question 12: Prime Factorization
Cambridge IGCSE Mathematics 0580 · Paper 22 (Extended) · Calculator · 2 marks
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The question, in short
Given x = 3² × 5² × 7 × 199⁵⁷, express x divided by 315 as a product of primes.
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Solution · 2 marks
- 1315 = 3² × 5 × 7
- 2x ÷ 315 = (3² × 5² × 7 × 199⁵⁷) ÷ (3² × 5 × 7)
- 3= 5 × 199⁵⁷
Answer5 × 199⁵⁷
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