English

Find the HCF of the smallest prime number and the smallest composite number.

Advertisements
Advertisements

Question

Find the HCF of the smallest prime number and the smallest composite number.

Numerical
Advertisements

Solution

Given: Smallest prime number = 2; smallest composite number = 4.

Divisors of 2: 1, 2.

Divisors of 4: 1, 2, 4.

Common divisors: 1, 2.

Greatest common factor = 2.   ...(Prime-factor method: 2 = 2; 4 = 22 → common factor 21 = 2.)

HCF = 2.

shaalaa.com
  Is there an error in this question or solution?
Chapter 1: Real Numbers - EXERCISE 1A [Page 9]

APPEARS IN

R.S. Aggarwal Mathematics [English] Class 10
Chapter 1 Real Numbers
EXERCISE 1A | Q 6. | Page 9
Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×