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What are the factors and prime factors of 15 and 24?
The factors of 15 are: 1, 3, 5, and 15.The prime factors of 15 are: 3 and 5.The factors of 24 are: 1, 2, 3, 4, 6, 8, 12, and 24.The prime factors of 24 are: 2 and 3.Factors of 24: 1, 2, 3, 4, 6, 8, 12, 24Factors of 15: 1, 3, 5, 15Factors are numbers which divide evenly the number given. 15 can divide by the primes 3 and 5, and so the factors are 1,3,5 and 1524 can divide by the primes 2, 2, 2, 2 and 3, and so the factors are 1,2,3,4,6,8,12 and 24.The common factors of 15 and 24 are 1 and 3, and the highest common factor is 3.
What is the sum of all the factors of 15?
1 + 15 + 3 + 5 = 24
What is greatest common factor of 15 and 24?
The factors of 15 are 1, 3, 5, and 15. The factors of 24 are 1, 2, 3, 4, 6, 8, 12, and 24. The factors they have in common are 1 and 3. Therefore, the greatest common factor is 3. The greatest common factor can also be determined from the prime factors. The prime factors of 15 are 3 and 5. The prime factors of 24 are 2, 2, 2, and 3. The prime factors they have in common are a single 3, so the greatest common factor is 3.
What is the smallest number with exactly 15 factors?
144 = 24 * 32144 = 24 * 32144 = 24 * 32144 = 24 * 32
What is the greatest common factor of 15 and 24 and 30?
To find the greatest common factor (GCF) of 15, 24, and 30, we first need to find the factors of each number. The factors of 15 are 1, 3, 5, and 15. The factors of 24 are 1, 2, 3, 4, 6, 8, 12, and 24. The factors of 30 are 1, 2, 3, 5, 6, 10, 15, and 30. The GCF of 15, 24, and 30 is the largest number that is a factor of all three numbers, which in this case is 3.
