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What are the factors of 945 that equal 26?
21 and 5
When you have a number that has exactly two equal factors each factor is called?
If a number has equal factors, it is a perfect square and the equal factors would be square roots.
What is a number that has exactly eight factors including 21 351 and itself?
There cannot be any. If the number has 21 and 351 as factors then it already has 16 factors.
Do 21 have only two factors?
If 21 is a factor of a number, then the factors of 21 must also be factors. So 3 and 7
What factors of 72 are multiples of its prime factors?
17 is a prime number. It is only evenly divisible by itself and one.The factors of 21 are: 1, 3, 7, and 21.The prime factors of 21 are: 3 and 7.
What is the odd number that has exactly 4 factors that equal 32?
21. Its factors are 1, 3, 7 and 21 which add to 32.
What is a product of its prime factor?
It is when the prime factors of whole number are multiplied together that they equal that number. For example the prime factors of 21 are 3 and 7 so 3*7 = 21
How many factors has the number 21?
The factors of 21 are :1,3,7,21
What is the of 21?
A composite number is a number that has more than two factors. The factors of 21 are 1, 3, 7, and 21. Therefore, 21 is a composite number.
What are two factors of 21 that when added together equal 21?
The factors of 21 are 1, 3, 7 and 21. No two of them add up to 21.
What two factors equal 21?
3 times 7 = 21
What are the proper factors of the number 21?
The factors of 21 are: 1, 3, 7, 21.
What are all of the factors for the number 21?
The factors of 21 are: 1, 3, 7, 21.
How many factors does the number 21 have?
4 factors they are 1,3,7 and 21
What is the composite of 21?
A composite number is a number that has more than two factors. The factors of 21 are 1, 3, 7, and 21. Therefore, 21 is a composite number.
Is there a prime number that is a multiple of 21?
No, it is not possible. Every multiple of 21 is a composite number. 21 is a composite number and its factors are 1, 3, 7 and 21(4 factors). Any multiple of 21 must have all the factors of 21. So, every multiple of 21 has at least 4 factors. And a prime number has only two factors so, any multiple of 21 can't be prime.
The factors of a number are 1 3 7 and 21 what is the number?
21
