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How many factors does the number 21 have?
4 factors they are 1,3,7 and 21
What are the 4 factors 21?
1, 3, 7 and 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.
What are the factors of 21 and40?
The factors of 21 are: 1, 3, 7, 21 | The factors of 40 are: 1, 2, 4, 5, 8, 10, 20, 40
What are the factors of 21 and 56?
The factors of 21 are: 1, 3, 7, 21. The factors of 56 are: 1, 2, 4, 7, 8, 14, 28, 56.
What are the factors for 21 and 84?
The factors of 21 are: 1, 3, 7, 21 The factors of 84 are: 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84
Which of the numbers 19 21 23 and 25 has most factors?
21 has the most factors of the four numbers. 19 has 2 factors (1 and 19) 21 has 4 factors (1, 3, 7, 21) 23 has 2 factors (1, 23) 25 has 3 factors (1, 5, 25)
What is 4 over 21 in simplest form?
4 over 21 is already in simplest form. The only factors of 4 are 1, 2, and 4; the only factors of 21 are 1, 3, 7, and 21. Since the only common factor is 1, we cannot simplify the fraction further.
What is the greatest common factor of 4 14 6 and 21?
As 4 & 21 have no factors in common, gcf=1
What do -4 and -21 have in common?
As factors, 1 and -1
What are common factors of 4 and -21?
25
What are the common factors of 4 and 21?
Just 1.
