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No. While 4 is a factor of 40, it is not a Prime number.
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What is the prime factor tree of 40?
40 20,2 10,2,2 5,2,2,2
What are the factors of 4 and 40?
The factors of 4 are: 1, 2, and 4.The only prime factor of 4 is: 2.The factors of 40 are: 1, 2, 4, 5, 8, 10, 20, and 40.The prime factors of 40 are: 2 and 5.
What is the greatest common factor of 76 and 40?
The GCF is 4.
What is composite factors?
A composite factor is a factor that is a composite number, as opposed to a prime factor which is a factor that is a prime number.
What is the greatest common factor of 8 20 40?
The greatest common factor of 8 and 40 is 8.The common factors of 8 and 40 are 1, 2, 4, and 8.Definition: A factor is a divisor - a number that will evenly divide into another number. The common factors of two or more numbers are all the factors that the numbers have in common. The greatest common factor of two or more numbers is the largest factor that the numbers have in common.Methods:You might notice that 8 is a factor of 40. Since 8 is also the largest possible factor of itself, that means 8 is the greatest common factor.Another way to determine the greatest common factor is to find all the factors of the numbers and compare them.The factors of 8 are 1, 2, 4, and 8.The factors of 40 are 1, 2, 4, 5, 8, 10, 20, and 40.The common factors are 1, 2, 4, and 8. Therefore, 8 is the greatest common factor.The greatest common factor can also be calculated by identifying the common prime factors and multiplying them together.The prime factors of 8 are 2, 2, and 2.The prime factors of 40 are 2, 2, 2, and 5.The prime factors in common are 2, 2, and 2, so the greatest common factor is 2 x 2 x 2 = 8.The greatest common factor of the numbers 8 and 40 is 8.The GCF is 8.
