Chapter 1 of 19
Formula Sheet
Number System — Formula Sheet
AP ICET · Quantitative Aptitude
Free Number System formula sheet for AP ICET Quantitative Aptitude 2026 — all important formulas, equations, and constants for quick reference.
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Important formulas and equations from Number System for AP ICET 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 AP ICET?
Number System is an important chapter in AP ICET 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 AP ICET?
Number System is a frequently tested chapter in AP ICET Quantitative Aptitude. Questions from this chapter appear regularly in previous year papers. There are 67 practice questions available for this chapter.
How to prepare Number System for AP ICET?
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 AP ICET Quantitative Aptitude.