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L3: Prime No., Coprime No. and Divisiblity Rule
Lesson 4 of 10 • 12 upvotes • 7:36mins
Puneet Pawar
Learn to check whether any given number is Prime number or not, what are co-prime numbers and divisibility rules very helpful in aptitude questions. These are some of the basic fundus which a person must be knowing
Aptitude: Number System - SSC CGL
10 lessons • 1h 44m
1
Overview
2:15mins
2
Lesson 1: Number System
13:01mins
3
Lesson 2: Factors (Even and Odd factors)
13:44mins
4
L3: Prime No., Coprime No. and Divisiblity Rule
7:36mins
5
Lesson 4: Divisibility by 2, 3, 4, 5, 6, 8 and 9
11:03mins
6
Lesson 5: Divisibility by 12, 15, 16, 18, 7, 13, and 11
12:31mins
7
Lesson 6: Divisibility by prime numbers
9:55mins
8
Lesson 7: Zero's and Counting Natural Numbers
11:19mins
9
Lesson 8: Counting multiples/set of numbers
10:23mins
10
Lesson 9: Finding Unit's digit and Remainder
13:05mins
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