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What are the factors of 24 and 60?
FourThe factors of 24 are 1, 2, 3, 4, 6, 8, 12, and 24. The factors of 60 are 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, and 60.
What is the highest common factor of 15 and 24?
Factors of 15: 1 3 5 15 Factors of 24: 1 2 3 4 6 8 12 24 The highest common factor of 15 and 24 is 3
What number between 20 and 30 has the most factors?
24 and 30 - each have 8 factors. Factors for 20 are: 1, 2, 4, 5, 10, 20 Factors for 21 are: 1, 3, 7, 21 Factors for 22 are: 1, 2, 11, 22 Factors for 23 are: 1, 23 Factors for 24 are: 1, 2, 3, 4, 6, 8, 12, 24 Factors for 25 are: 1, 5, 25 Factors for 26 are: 1, 2, 13, 26 Factors for 27 are: 1, 3, 9, 27 Factors for 28 are: 1, 2, 4, 7, 14, 28 Factors for 29 are: 1, 29 Factors for 30 are: 1, 2, 3, 5, 6, 10, 15, 30
What is the GCF of 12 and 20 and GCF of 24?
Factors of 12: 1, 2, 3, 4, 6, 12 Factors of 20: 1, 2, 4, 5, 10, 20 Factors of 24: 1, 2, 3, 4, 6, 8, 12, 24 GCF (12, 20, 24) = 4
What are a pair of numbers that are relatively prime?
Two numbers which are "relatively prime" have no common prime factors. To illustrate, let's write several numbers in terms of their prime factors: 24 = 2 x 2 x 2 x 3 25 = 5 x 5 42 = 2 x 3 x 7 70 = 2 x 5 x 7 You can see that 24 and 25 are relatively prime, because they don't share any common prime factors. Likewise, 25 and 42 are relatively prime. 24 and 42, however, are NOT relatively prime because they share the common factors of 2 and 3. Likewise 25 and 70 are NOT relatively prime because they share the common factor 5. When a fraction is in its simplest form, the numerator and denominator are relatively prime.
