Mark the coprimer number ?2, 4 3, 6 4, 110 2, 9
- 2, 4
- 3, 6
- 4, 110
- 2,9
Explanation
Co-prime numbers have no common factor except 1.
Their HCF (Highest Common Factor) is 1.
2, 4
- Factors of 2 = 1, 2
- Factors of 4 = 1, 2, 4
- Common factors = 1, 2
- HCF = 2 Not co-prime
3, 6
- Factors of 3 = 1, 3
- Factors of 6 = 1, 2, 3, 6
- Common factors = 1, 3
- HCF = 3 Not co-prime
4, 10
- Factors of 4 = 1, 2, 4
- Factors of 10 = 1, 2, 5, 10
- Common factors = 1, 2
- HCF = 2 Not co-prime
2, 9
- Factors of 2 = 1, 2
- Factors of 9 = 1, 3, 9
- Common factor = 1
- HCF = 1 Co-prime
Last updated 17 july 2026 by NA
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