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What prime factors do 28 and 12 have in common?
Their only prime factor is 4.
What are the common factors of 18 28 and 34?
The factors of 18 are: 1, 2, 3, 6, 9, 18.The factors of 28 are: 1, 2, 4, 7, 14, 28.The factors of 34 are: 1, 2, 17, 34.The common factors are: 1, 2
What are the and prime factors of 28?
28 is a composite number because it has factors other than 1 and itself. It is not a prime number.The 6 factors of 28 are 1, 2, 4, 7, 14, and 28.1 + 2 + 4 + 7 + 14,The factor pairs of 28 are 1 x 28, 2 x 14, and 4 x 7.The proper factors of 28 are 1, 2, 4, 7, and 14 or,if the definition you are using excludes 1, they are 2, 4, 7, and 14.The prime factors of 28 is 2 and 7.Note: There is repetition of these factors, so if the prime factors are being listed instead of the prime factorization, usually only the distinct prime factors are listed.Prime numbers mean only 1 and it self are its factors.The distinct prime factors (listing each prime factor only once) of 28 are 2 and 7.The prime factorization of 28 is 2 x 2 x 7 or, in index form (in other words, using exponents), 22 x 7.NOTE: 28 is also a perfect number because the sum of its proper factors (the definition including 1) equals itself: 1 + 2 + 4 + 7 + 14 = 28.NOTE: There cannot be common factors, a greatest common factor, or a least common multiple because "common" refers to factors or multiples that two or more numbers have in common.
How is 4 the HCF of 28 and 60?
To figure out the HCF of 28 and 60, split them up into their prime factors: 28 = 2x2x7 60 = 2x2x3x5 The next step is to identify any common prime factors. In this case, both numbers have two 2s as prime factors. Multiply these together and you get: 2x2 = 4 Therefore 4 is the HCF of 28 and 60.
What is the prime factorization of 46 and 28?
As a product of its prime factors: 2*23 = 46 As a product of its prime factors: 2*2*7 = 28
