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What is the greatest common factor of 225 and 825?
For small numbers which we can factorize easily, it is practical to use prime factorizations to find the greatest common factor. For larger numbers, however, this is not always practical. So instead we use the Euclidean Algorithm, as follows. (Here, * means multiply.) 330495 = 400 * 825 + 495 825 = 1 * 495 + 330 495 = 1 * 330 + 165 330 = 2 * 165 + 0 At each step, we divide one number by the other and get a remainder. (So when 330495 is divided by 825 the remainder is 495, etc). So we get the sequence 330495 , 825 , 495 , 330 , 165 , 0. Every common factor of 330495 and 825 is also a factor of 495, and every common factor of 825 and 495 is also a factor of 330495. Therefore the common factors of 330495 and 825 are precisely the common factors of 825 and 495. Similarly, the common factors of 825 and 495 are precisely the common factors of 495 and 330; and the common factors of 495 and 330 are precisely the common factors of 330 and 165; and these are precisely the factors of 165. In short, the common factors of the original two numbers are the factors of 165 (including 165 itself) and no others.
Which common factors do 220 and 390 share?
220=2,2,5,11 390=2,3,5,13 They both share 2 and 5.
What are the prime factors of 390?
The prime factors of 390 are: 2, 3, 5, and 13.is 390 a prime number
What are the factors and prime factors of 390?
The 16 factors of 390 are 1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, and 390.
What are the factors of 495?
The factors of 495 are the numbers that can be evenly divided into 495 without leaving a remainder. The factors of 495 are 1, 3, 5, 9, 15, 33, 45, 99, 165, and 495. These numbers are all whole numbers that, when multiplied together, result in 495.
What is the greatest common factor of 180 and 390?
The greatest common factor of 180 and 390 is 30.
Is 390 a composite number?
Yes, 390 is a composite number. It has factors other than 1 and 390. The factors of 390 are 1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, and 390.
What is the least common multiple of 150 and 495?
The least common multiple of 150 and 495 is 4950.
What is the least common multiple of 65 and 78?
Least common multiple of 65 and 78 is 390.
What are the factors and prime factors of 495?
The factors of 495 are 1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, and 495. The distinct prime factors of 495 are 3, 5, and 11. The prime factorization of 495 is 3 x 3 x 5 x 11 or, in exponential form, 32 x 5 x 11.
What is the least common multiple of 45 and 165?
Least common multiple for 45 and 165 is 495.
What is the least common multiple o 150 and 495?
The least common multiple of 150 , 495 = 4,950
