Question

Show that the following pairs are co-primes
1) 385,621 2) 512,945

Answer 1

Explanation:

5∣385 3∣621

____________ ___________

7∣77 3∣207

____________ ___________

11∣11 3∣69

____________ ___________

1 23∣23

___________

1

HCF=1

They are co-primes.

solution5∣385 3∣621

____________ ___________

7∣77 3∣207

____________ ___________

11∣11 3∣69

____________ ___________

1 23∣23

___________

1

HCF=1

They are co-primes.

solution