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Using Prime factorisation:
42 = 2 x 3 x 7
81 = 3⁴
105 = 3 x 5 x 7
→hcf = 3
→lcm = 2 x 3⁴ x 5 x 7 = 5670
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What is the greatest common factor for 42 and 105?
21
What s the greatest common factor of 42 70 105?
The GCF is 7.
What is the greatest common factor and least common multiple of 42 81 105?
They are 3 and 2835 respectively
What are the greatest common factors 42 56 and 105?
The Greatest Common Factor (GCF) of 56 and 91 is 7.
What is the greatest common factor of 42 and 66?
The greatest common factor of 42 and 66 is 6.6
What is the greatest common factor of 42 63 and 105?
3The GCF is: 2121.The GCF is 21.
What is the greatest common factor of 42 105 and 112?
The greatest common factor (GCF) is often also called the greatest common divisor (GCD) or highest common factor (HCF). Keep in mind that these different terms all refer to the same thing: the largest integer which evenly divides two or more numbers.The greatest common factor of 42, 105, and 112 is 7
What is the greatest common factor for 42 and 105?
21
What are the greatest common factors in 42 112 and 105?
The greatest common factor is seven.
What is greatest common factor of 42 and 105?
The GCF is 21.
What is the greatest common factor of 42 70 and 105?
The GCF is 7.
What is the greatest common factor of 42 63 105?
The GCF is 21.
What is the greatest common factor of 42 112and 105?
The GCF is 7.
What is greatest common factor of 42 112 and 105?
The GCF is 7.
What is the GCF of 42 and 105?
The Greatest Common Factor is 21
What s the greatest common factor of 42 70 105?
The GCF is 7.
What is the greatest common factor of 42 and 105?
A factor is a divisor - a number that will evenly divide into another number. The greatest common factor of two or more numbers is the largest factor that both numbers have in common.One way to determine the common factors and 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 105 are 1, 3, 5, 7, 15, 21, 35, and 105.The common factors are 1, 3, 7, and 21. Therefore, the greatest common factor is 21.The GCF of 42 and 105 is 21
