There are 15 prime numbers from 1 to 49:
2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43 and 47
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There are 15 prime numbers between 1 and 49
2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43 and 47 are the prime numbers between 1 and 49.
The numbers 15, 32, and 49 are relatively prime because their greatest common factor is 1.
Prime squares: 4, 9, 25 and 49
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.