Chapter 1 of 19
Formula Sheet
Number System — Formula Sheet
SNAP · Quantitative Aptitude
All important formulas from Number System for SNAP Quantitative Aptitude. Quick reference for revision and problem solving.
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Important formulas and equations from Number System for SNAP Quantitative Aptitude.
Formulas — Number System
Types of Numbers
Prime Number Tests
Check divisibility up to √NHCF and LCM
HCF(a,b) × LCM(a,b) = a × bHCF = Product of lowest powers of common prime factorsLCM = Product of highest powers of all prime factorsFactors and Divisors
Number of factors = (a+1)(b+1)(c+1)...Sum of factors = (p₁⁰+p₁¹+...+p₁ᵃ)(p₂⁰+p₂¹+...+p₂ᵇ)...Number of even factors = a × (b+1)(c+1)...Number of odd factors = (b+1)(c+1)...Get the complete formula sheet with derivations — continue in Super Tutor
Frequently Asked Questions
What topics are covered in Number System for SNAP?
Number System is an important chapter in SNAP Quantitative Aptitude. It covers key concepts and formulas that are frequently tested in the exam. Key topics include: Types of Numbers and Basic Definitions, Prime Number Properties and Testing, GCD and LCM Concepts, Divisibility Rules and Tests.
How important is Number System for SNAP?
Number System is a frequently tested chapter in SNAP Quantitative Aptitude. Questions from this chapter appear regularly in previous year papers. There are 45 practice questions available for this chapter.
How to prepare Number System for SNAP?
Start by understanding the core concepts, then solve practice questions. Focus on formulas and their applications. Use revision notes for quick review before the exam.
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Practice questions, revision notes, formula sheet and AI doubt-solver for SNAP Quantitative Aptitude.