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What is 45 as a factor of prime numbers?
They are: 3 3 and 5
What are the prime factor out of 3 2 5?
All of them are prime numbers
What prime numbers are also a factor of 45?
3 and 5
What are two numbers that are factors of 3 and 5?
3 and 5 are both prime numbers and 1 is their only common factor.
What is the greatest common factor of 3 and 5?
The GCF of two prime numbers is always 1. 3 and 5 are both prime numbers so, GCF (3, 5) = 1.
What is the least common multiple of 2 3 5 and 9?
To determine the least common multiple of more than two numbers, determine the prime factors of all numbers. Then, determine the prime factors they have in common with at least one of the other numbers and the ones that are not in common. The prime factor of 2 is 2. The prime factor of 3 is 3. The prime factor of 5 is 5. The prime factors of 9 are 3 and 3. The prime factor 3 is a factor in common in one pair. Multiply all the factors together and divide by any that were in common with the other numbers. Therefore, the least common multiple is 2 x 3 x 5 x 9 ÷ 3 = 90
What is a prime factor and a example for prime factor?
All numbers have factors. Some factors are prime numbers. These are known as prime factors. Some numbers have some of the same prime factors as other numbers. These are known as common prime factors. 3 is a common prime factor of 12 and 15.
How do you find the greatest common factor of 45 using prime factorization?
You do not. To have a greatest common factor, you need two or more numbers. A common factor is a factor that two or more number have in common. However, the prime factorization of all the numbers will help you find the greatest common factor. The greatest common factor will be the prime factors they have in common multiplied together. Example: The prime factors of 45 are 3, 3, and 5. The prime factors of 60 are 2, 2, 3, and 5. The common prime factors are 3 and 5, so the greatest common factor is 3 x 5 = 15.
How do you get the factor of 45 in prime numbers?
Use a factor tree. 45 15,3 5,3,3
What is a prime factorization of 30?
5 is one prime factor of 30 5*3*2=30 All 3 factors are prime numbers.
Why are the prime factors of 15 1 3 and 5?
The prime factors of 15 are 3 and 5 because 3 and 5 are prime numbers that divide evenly into 15. 1 is a factor of 15, but it is not a prime number.
What are all the prime numbers up to 50 that include 5 as a prime factor?
5 is the only prime number in which 5 is a factor.
