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What is the greatest common factor of 21 42 49?
To find the greatest common factor of 21, 42, and 49, we first need to find the prime factors of each number. The prime factors of 21 are 3 and 7, the prime factors of 42 are 2, 3, and 7, and the prime factors of 49 are 7 and 7. The greatest common factor is the product of the common prime factors raised to the lowest power they appear in any of the numbers, which in this case is 7. Therefore, the greatest common factor of 21, 42, and 49 is 7.
What is the greatest common factor of 49 and 42?
One way to approach this is to look at the difference between 42 and 49, which is 7. The greatest common factor of two numbers cannot be larger than the difference between the two numbers and must be a factor of the difference. Since both 42 and 49 are divisible by 7, the greatest common factor is 7. Another way to determine the greatest common factor is to find all the factors of the numbers and compare them. The factors of 42 are 1, 2, 3, 6, 7, 14, 21, and 42. The factors of 49 are 1, 7, and 49. The common factors are 1 and 7. Therefore, the greatest common factor is 7. The greatest common factor can also be calculated by identifying the common prime factors and multiplying them together. The prime factors of 42 are 2, 3, and 7. The prime factors of 49 are 7 and 7. The prime factors in common are a single 7, so the greatest common factor is 7
What two numbers between 40 and 50 have a greatest common factors of 7?
42 & 49 !
What is the greatest common factor of 35 42 and 49?
The greatest common factor (GCF) of 35, 42, and 49 is 7. To find the GCF, you need to determine the factors of each number and then identify the largest factor that is common to all three numbers. In this case, the factors of 35 are 1, 5, 7, 35; the factors of 42 are 1, 2, 3, 6, 7, 14, 21, 42; and the factors of 49 are 1, 7, 49. The largest factor that is common to all three numbers is 7, making it the greatest common factor.
What are the greatest common factors for 94 48 84?
The common factors are: 1, 2.
What is the greatest common factor for 42 and 49?
7
What are the common factors and greatest common factor of 42?
The common factors of 42 are the numbers that can evenly divide 42 without leaving a remainder. The common factors of 42 are 1, 2, 3, 6, 7, 14, 21, and 42. The greatest common factor (GCF) of 42 is the largest number that can divide 42 and another number without leaving a remainder. In this case, the GCF of 42 and any other number would be 42 itself.
What are the Greatest common factors of 49 and 77?
Common factors of 49 and 77 are: 1 and 7.
What is the greatest common factor of 49 98 and 49?
Since 49 is a factor of 98, and the largest possible factor of 49 is itself, the greatest common factor is 49.One way to determine the greatest common factor is to find all the factors of the numbers and compare them.The factors of 49 are 1, 7, and 49.The factors of 98 are 1, 2, 7, 14, 49, and 98.The common factors are 1, 7, and 49. Therefore, the greatest common factor is 49.The greatest common factor can also be calculated by identifying the common prime factors and multiplying them together.The prime factors of 49 are 7 and 7.The prime factors of 98 are 2, 7, and 7.The prime factors in common are 7 and 7, so the greatest common factor is 7 x 7 = 49.It is: 49
What is the greatest common factor of 1386 and 2058?
One way to determine the greatest common factor is to find all the factors of the numbers and compare them, but these numbers are so large, that would not be the optimal method. The greatest common factor can also be calculated by identifying the common prime factors and multiplying them together. The prime factors of 1386 are 2, 3, 3, 7, and 11. The prime factors of 2058 are 2, 3, 7, 7, and 7. The prime factors they have in common are 2, 3, and 7, so the greatest common factor is 2 x 3 x 7 = 42. Double check: 1386 ÷ 42 = 33 2058 ÷ 42 = 49 Since 33 and 49 do not have any factors in common, it is confirmed that 42 is the greatest common factor.
What is the greatest common divisor of 14 42 and 49?
7
What is the greatest common factor of 21 42 and 49?
It is: 7
