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What is the greatest common factor of 3 5 and 8?
The greatest common factor of several numbers cannot be larger than the greatest common factor of any pair of the numbers. If you realize that the greatest common factor of 3 and 5 is 1, the greatest common factor of all the numbers must be 1. Another way to determine the greatest common factor is to find all the factors of the numbers and compare them. The factors of 3 are 1 and 3. The factors of 5 are 1 and 5. The factors of 8 are 1, 2, 4, and 8. The factors of 10 are 1, 2, 5, and 10. The only common factor is 1. Therefore, the greatest common factor is 1. The greatest common factor can also be calculated by identifying the common prime factors and multiplying them together. The prime factor of 3 is 3. The prime factor of 5 is 5. The prime factors of 8 are 2, 2, and 2. The prime factors of 10 are 2 and 5. There are no prime factors in common, so the greatest common factor is 1.
Do all numbers that have 13 as a factor also have 5 as a factor?
Not AllTo find out if all numbers that have 5 as a factor have 2 as a factor, you can list the multiples of each. 5's multiples are 5, 10, 15, 20...2's multiples are 2, 4, 6, 8, 10, 12, 14, 16, 18, 20...5 and 15 are multiples of 5, but not 2, so all numbers that have 5 as a factor DO NOT have 2 as a factor.It is not really necessary to write that all out because the fact that 5 is an odd number and 2 is only a factor of even numbers indicates that all numbers that have 5 as a factor would not have 2 as a factor. Only the multiples of 5 that are even have 2 as a factor also.
What are the greatist common factor of 210 and 1260?
210. The greatest common factor (or GCF) is defined as the largest number that can be divided into two (or more numbers) and result in an integer answer (no remainder). To get the GCF, one factors the numbers involved and takes only the factors that both numbers share (the number of times that they are shared). 210 = 2 * 3 * 5 * 7 1260 = 2 * 2 * 3 * 3 * 5 * 7 Factors shared are 2, 3, 5 and 7, so 2*3*5*7 = 210.
Is a factor tree was made for 42 which numbers would appear on the bottom row?
2, 3 and 7 (in any order).
What does 2 3 and 5 factors have in common?
Themselves and one because they are all prime numbers
