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1, 3, 7, and 21 are all common factors of 21 and 42.
Wiki User
∙ 13y ago
Wiki User
∙ 11y ago1, 3, 7 and 21.
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What are the common factors of 21 and 42?
The common factors of 21 and 42 are 1,3,7,21
What are the common factors of 21 42 and 84?
The common factors of 21 42 and 84 are 21
What are the common factors of 21 42 and 56?
The common factors of 21, 42, and 56 are: 1 and 7
What are the common factors and greatest common factor of 21 and 42?
The common factors of 21 and 42 are 3, 7 and 21. The greatest common factor (GCF) is 21.
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
What are the common factors of 42 and 273?
The common factors of 42 and 273 are 1, 3, 7 and 21.
What are the common factors of 12 and 21 and 42?
The common factors are: 1, 3
Two common factors of 42 and 231?
All the common factors of 42 and 231 are: 1, 3, 7, 21.
Common factors for 42?
The factors of 42 are 1, 2, 3, 6, 7, 14, 21, 42. For them to be common, they need to be compared to another set of factors.
What are the common factors for 42?
The factors of 42 are 1, 2, 3, 6, 7, 14, 21, 42. For them to be common, they need to be compared to another set of factors.
What prime factors do 42 and 21 have in common?
7
What is the greatest common factor of 21and42?
Factors of 21: 1, 3, 7, 21 Factors of 42: 1, 2, 3, 6, 7, 14, 21, 42 GCF (21, 42) = 21
