Foundation
Mathematics Foundation
HCF and LCM
Properties of Real Number
Linear Equations in One Variable
Question
The HCF of 136, 170 and 255 is:
Know your College Admission Chances Based on your Rank/Percentile, Category and Home State.
Get your JEE Main Personalised Report with Top Predicted Colleges in JoSA
Solution
Given numbers are 136,170 and 255.
Representing the given numbers as the product of their prime factors:
136 = 2 × 2 × 2 × 2 × 17 = 23 × 17
170 = 2 × 5 × 17
255 = 3 × 5 × 17
We can see that 17 is the only factor common between the three numbers.
Hence, HCF of 136,170 and 255 is 17