Mathematics · Oct / Nov 2023 · Paper 21 · Question 9
0580
As printed in the paper
The question as text
Find the highest common factor (HCF) of 140 and 126. [2]
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
14 [2]
B1 for answer 2 or 7
or M1 for 2 × 7 as final answer or [140 =] 2 × 2 × 5 × 7 and [126 =] 2 × 3 × 3 × 7 or 2 correct factor trees or tables
Make a free account to save your answers and see your weak topics and ask the AI why a wrong answer is wrong.