find HCF for 320 and 680
process
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Step-by-step explanation:
1. Find the prime factorization of 320
2. 320 = 2 × 2 × 2 × 2 × 2 × 2 × 5
3. Find the prime factorization of 680
4. 680 = 2 × 2 × 2 × 5 × 17
5. To find the GCF, multiply all the prime factors common to both numbers:
Therefore, GCF = 2 × 2 × 2 × 5
GCF = 40
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