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How do you know if an expression is prime?
You try finding a factor. If there is no proper factor, then it is a prime.
How you know that 2 is a prime factor?
2 is a prime number because its only factors are one and itself. Since 2 is a prime number, if it is a factor of your number, it is a prime factor.
How do you know you have the biggest factor string?
When all of the factors are prime. The longest factor string is the prime factorization.
How do you know whena factor tree is completed?
All the numbers are prime
How do you know 25 and 36 are relatively prime?
25 and 36 are relatively prime because they both share 1 as a factor, but no other factor. As their only common factor is 1, they are relatively prime. Neither is a prime number itself, but it is about the common factors, so in relation to each other, they are relatively prime.
How do you know when you have found the longest factor string for 840?
You will know because all of the numbers are prime.
How do you know immediately that 2056 is not a prime factor?
2056 is an even number. The only even prime number is 2.
Is three a prime factor?
Yes. Any time three is a factor, it is a prime factor.
Is 6 a prime factor of 132?
It is a factor of 132, not a prime factor.
What is a common prime factor?
All numbers have factors. Some factors are prime numbers. A prime factor is a factor that is a prime number. A common prime factor is a prime factor that appears on the list of factors of two or more given numbers.
How do you know when you have found the longest factor string for a number?
All of the factors are prime.
Are there any numbers that are a factor of 16 cube number and prime?
don't know if I understand your question, but: there are no numbers that are both cube numbers and prime numbers 8 is a factor of 16 that is a cube number (2^3) 2 is a factor of 16 that is a prime number
