Out of 26, 13 and 34, which two numbers are co-prime?
2024
Out of 26, 13 and 34, which two numbers are co-prime?
Answer: B. 13 and 34 — Check common factors (GCD): 26 and 13 → 13 divides 26 👉 GCD = 13 ❌ Not co-prime 34 and 26 → Both are even 👉 Common factor = 2 ❌ Not co-prime 13 and 34 → 13…
- A.
26 and 13
- B.
13 and 34
- C.
34 and 26
- D.
None of the pairs is a co-prime
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Correct answer: B
Check common factors (GCD):
26 and 13 → 13 divides 26
👉 GCD = 13 ❌ Not co-prime34 and 26 → Both are even
👉 Common factor = 2 ❌ Not co-prime13 and 34 →
13 is prime and does not divide 34
👉 GCD = 1 ✅ Co-prime
✅ Answer: 13 and 34
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