Respuesta :
Answer:
3
Step-by-step explanation:
- 447÷3=149
- 577 is a prime number so it can't be divided
- 669÷3=223
- 447=3×149
- 577=0
- 669=3×223
- Common factors=3
- H.C.F of 447,577 and 669=3
Answer:
1
Step-by-step explanation:
447 = 3 ×149
577 = 577 (prime number)
669 = 3 × 223
HCF = 1