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The common factors of 12 and 21 are 1 and 3.
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∙ 13y ago
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What is the scale factor if 21 and 12?
It is: 21/12 = 7/4
Is the number 21 composite square or prime?
21 is a composite number because it has at least one positive factor other than one or itself.
What number is it has 90 as a factor thre number is prime 21 is the multiple of the number?
If 21 is a multiple of the number, the number cannot have 90 as a factor.
What is the composite number for 21?
The only composite factor of 21 is 21.
What is a prime factor of 12 and 21?
3
What is a prime number for 12 and 21?
3 is a prime factor of 12 and of 21.
What prime number is a factor of 12 and 21?
3
What are the greatest factors of 15 and 25?
-- The greatest factor of 21 is 21 .-- The greatest factor of 12 is 12 .-- 1, 2, and 3 are factors of both 21 and 12 .-- The greatest common ('same for both') factor is 3 .
What is the greatest common factor of 12 and 21?
If you want the "greatest", then there can only be one of it.You can't have two different numbers and say that they'reboth the "greatest".The greatest common factor of 12 and 21 is 3 .
What number is a prime factor of both 12 and 21?
'3' 3 x 4 = 12 3 x 7 = 21 NB '7' is also a prime number.
Common factor of 12 and 21?
CF of 12 and 21 is 3.
What is the scale factor if 21 and 12?
It is: 21/12 = 7/4
Twenty-one is 12 percent of what number?
21 = (.12)(x) 21 / .12 = x Answer: 175
What is the greatest common factor of 12 and 36 and 21?
The Greatest Common Factor of 12, 36, 21 is 3.
What is th greatest common factor of 12 and 21?
The highest common factor of the numbers 12 and 21 is 3.
What is a number called when it has one factor?
Like 21? Prime numbers.
Is the number 21 composite square or prime?
21 is a composite number because it has at least one positive factor other than one or itself.
