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What is greatest common factor and least common multiple of 63 and 77?
Wiki User
∙ 15y ago
Greatest Common Factor
The difference between the two numbers, 77 - 63, is 14. It they have a greatest common factor other than 1, it is 14 or a factor of 14, such as 2 or 7. The numbers are not divisible by 14, but they are divisible by 7, so 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 63 are 1, 3, 7, 9, 21, and 63.
The factors of 77 are 1, 7, 11, and 77.
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 63 are 3, 3, and 7.
The prime factors of 77 are 7 and 11.
The prime factors in common are a single 7, so the greatest common factor is 7.
Least Common Multiple
The least common multiple of two numbers is their product divided by their greatest common factor: 63 x 77 ÷ 7 = 693.
Wiki User
∙ 15y ago
abigail k chitsaka
Lowest common factor of 7,63 and 7
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What is the least common multiple of 64 and 56?
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What is the greatest common factor and least common multiple of 15?
Itself
What is the least common multiple of 44 and 60?
The least common multiple is the product of the two numbers divided by their greatest common factor. The greatest common factor of 44 and 60 is 4, so the least common multiple is 44 x 60 ÷ 4 = 660.
How do you know whether to use the greatest common factor or the least common multiple to solve a problem?
the least common multiple is what the numbers you are using divide into. e.g. 3 and 6 have 12 as the common factor. the greatest common factor is what divides into your numbers. 6 and 9 have 3 as the greatest common factor
What is the greatest common multiple of 15 and 45 and the least common multiple of 15 and 45?
The Greatest Common Factor of 15, 45: 15The Least Common Multiple of 15, 45: 45
What is the least common multiple of 29 and 7 using the greatest common factor?
The Least Common Multiple of 29, 7 is 203.
