0580.C1.1.04 — Identify and use: express 72 as a product of its prime factors.: past paper questions

Real questions on 0580.c1.1.04 — identify and use: express 72 as a product of its prime factors.

The newest 6 of 6 written questions. Open one to see it on the real paper.

1. 0980/31 · October/November 2024 · Q1g[1]
   (g) $216=2^3\times 3^3$ Write 2160 as a product of its prime factors.See it on the paper →
2. 0980/41 · October/November 2024 · Q1a(i)[2]
   (a) (i) Write $70$ as a product of its prime factors.See it on the paper →
3. 0980/21 · October/November 2022 · Q17[2]
   17 Simplify ${\left(3125x^{3125}\right)}^{\frac{1}{5}}$.See it on the paper →
4. 0980/21 · October/November 2020 · Q8b[2]
   (b) Write 84 as a product of its prime factors.See it on the paper →
5. 0980/12 · May/June 2020 · Q22b[2]
   (b) Write $54$ as a product of its prime factors.See it on the paper →
6. 0980/31 · October/November 2019 · Q4g[2]
   (g) Write 432 as the product of its prime factors.See it on the paper →

What examiners said

Candidates once again demonstrated a good knowledge of indices and many fully correct answers were seen. There were very few who were not awarded any marks, as at least one of either the index or the coefficient was usually correct. The common answers scoring one mark were 5x5 and 625x625. Some candidates wrote 5 3125 but were unable to evaluate it.

— Examiner report, October/November 2022, 0980/21 Q17 (Cambridge)

This question was well attempted with the correct product of prime factors frequently seen. Partial credit was often awarded for the correctly completed division into primes (using table/ladder or tree) or for a correct product equal to 432, 3 × 144 being the most popular. A common error occurred when candidates attempted a prime factorisation in a table/ladder or factor tree and missed out the la...

— Examiner report, October/November 2019, 0980/31 Q4(g) (Cambridge)