Numbers are relatively prime if the only factor they have in common is 1.
The factors of 48 are 1, 2, 3, 4, 6, 8, 12, 16, 24, and 48.
The factors of 49 are 1, 7, and 49.
The only common factor is 1. Therefore, 48 and 49 are relatively prime.
Also, any two numbers whose difference is 1 are always relatively prime.
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Yes, they are relatively prime.
No.
The numbers 15, 32, and 49 are relatively prime because their greatest common factor is 1.
47
120 and 49