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The factors of 21 are: 1, 3, 7, 21.
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∙ 11y ago
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How many factors does the number 21 have?
4 factors they are 1,3,7 and 21
What are all the common factors of 21?
The factors of 21: 1, 3, 7, 21.
Is 21 a prime or composite number?
21 is a Composite Number. A prime number is a whole number that only has two factors which are itself and one. A composite number has factors in addition to one and itself. 21 is divisible by 3 and 7.
What number s are?
The factors of 21 are 1, 3, 7, and 21. The only factor of 21 that is a composite number is 21.
Is 23 21 19 prime or composite?
19 is a prime number. Its only factors are 1 and 19. 21 is a composite number. Its factors are 1, 3, 7, and 21. 23 is a prime number. Its only factors are 1 and 23.
List all the factors of 21?
Factors are numbers you can multiply together to get another number. Therefore, all the factors of 21 are as follows: 1,3,7,21.
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.
List all the factors of 21 is the number 21 prime or composite?
The factors of 21 are 1, 3, 7, and 21 which means that 21 is composite.
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 the proper factors of 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.
What number is a common factor of 21 and 42?
The factors of 21 are: 1, 3, 7, 21.The factors of 42 are: 1, 2, 3, 6, 7, 14, 21, 42.The common factors are: 1, 3, 7, 21
Find all factors of number 63?
Factors of 63 are 1, 3, 7, 9, 21 and 63.
The factors of a number are 1 3 7 and 21 what is the number?
21
What number has more factors than 21?
The number 21 has only four factors: 1, 3, 7, and 21. Many number have more than four factors. Among them are 1x2x3x4x5 = 120.
