Photo AI

2 (a) Write down (i) a multiple of 13, (ii) a prime number between 40 and 50 - OCR - GCSE Maths - Question 2 - 2017 - Paper 1

Question icon

Question 2

2-(a)-Write-down-(i)-a-multiple-of-13,-(ii)-a-prime-number-between-40-and-50-OCR-GCSE Maths-Question 2-2017-Paper 1.png

2 (a) Write down (i) a multiple of 13, (ii) a prime number between 40 and 50. (b) Find the lowest common multiple (LCM) of 16 and 28.

Worked Solution & Example Answer:2 (a) Write down (i) a multiple of 13, (ii) a prime number between 40 and 50 - OCR - GCSE Maths - Question 2 - 2017 - Paper 1

Step 1

(a)(i) a multiple of 13

96%

114 rated

Answer

A multiple of 13 can be found by multiplying 13 by any integer. For example, 13 x 1 = 13, or 13 x 2 = 26. Therefore, an acceptable answer is 26.

Step 2

(a)(ii) a prime number between 40 and 50

99%

104 rated

Answer

Prime numbers are those greater than 1 that have no positive divisors other than 1 and themselves. The prime numbers between 40 and 50 are 41, 43, and 47. We can select 41 as an example.

Step 3

(b) Find the lowest common multiple (LCM) of 16 and 28

96%

101 rated

Answer

To find the LCM of 16 and 28, we can first list their multiples:

  • Multiples of 16: 16, 32, 48, 64, 80, 96, 112, ...
  • Multiples of 28: 28, 56, 84, 112, ...

The smallest common multiple in both lists is 112. Thus, the LCM of 16 and 28 is 112.

Join the GCSE students using SimpleStudy...

97% of Students

Report Improved Results

98% of Students

Recommend to friends

100,000+

Students Supported

1 Million+

Questions answered

Other GCSE Maths topics to explore

Number Toolkit

Maths - Edexcel

Prime Factors, HCF & LCM

Maths - Edexcel

Powers, Roots & Standard Form

Maths - Edexcel

Simple & Compound Interest, Growth & Decay

Maths - Edexcel

Fractions, Decimals & Percentages

Maths - Edexcel

Rounding, Estimation & Bounds

Maths - Edexcel

Surds

Maths - Edexcel

Algebraic Roots & Indices

Maths - Edexcel

Expanding Brackets

Maths - Edexcel

Factorising

Maths - Edexcel

Completing the Square

Maths - Edexcel

Algebraic Fractions

Maths - Edexcel

Rearranging Formulae

Maths - Edexcel

Algebraic Proof

Maths - Edexcel

Linear Equations

Maths - Edexcel

Solving Quadratic Equations

Maths - Edexcel

Simultaneous Equations

Maths - Edexcel

Iteration

Maths - Edexcel

Forming & Solving Equations

Maths - Edexcel

Functions

Maths - Edexcel

Coordinate Geometry

Maths - Edexcel

Estimating Gradients & Areas under Graphs

Maths - Edexcel

Real-Life Graphs

Maths - Edexcel

Transformations of Graphs

Maths - Edexcel

Sequences

Maths - Edexcel

Direct & Inverse Proportion

Maths - Edexcel

Standard & Compound Units

Maths - Edexcel

Exchange Rates & Best Buys

Maths - Edexcel

Geometry Toolkit

Maths - Edexcel

Angles in Polygons & Parallel Lines

Maths - Edexcel

Bearings, Scale Drawing, Constructions & Loci

Maths - Edexcel

Area & Perimeter

Maths - Edexcel

Right-Angled Triangles - Pythagoras & Trigonometry

Maths - Edexcel

Sine, Cosine Rule & Area of Triangles

Maths - Edexcel

Vectors

Maths - Edexcel

Transformations

Maths - Edexcel

Scatter Graphs & Correlation

Maths - Edexcel

Statistics

Maths - Edexcel

Ratio Analysis and Problem Solving

Maths - Edexcel

Inequalities

Maths - Edexcel

Volume, Area & Surface Area

Maths - Edexcel

The Circle

Maths - Edexcel

Probability

Maths - Edexcel

Trigonometry

Maths - Edexcel

Growth & Decay

Maths - Edexcel

Outliers

Maths - Edexcel

;