. Find the HCF of 391 and 667

Best Answer

The HCF of 391 and 667 is 23

HCF can be calculated by three following methods:

• Listing Common Factors
• Long Division Method
• Prime Factorization Method

HCF of 391 and 667 by Listing Common Factors

• Factors of 391: 1, 17, 23, 391
• Factors of 667: 1, 23, 29, 667
• The common factor of 391 and 667 is 1, 23. Thus, the highest common factor is 23.

HCF of 391 and 667 by Long Division

HCF of 391 and 667 by Prime Factorization

The prime factorization of 391 and 667 is (17 × 23) and (23 × 29). Therefore, the common factor between 391 and 667 is 23.