The factors of 43 are 1 and 43. For them to be common, they need to be compared to another set of factors.
Common factors of 10 and 63 are: 1.
33 has the factors ,3, & '11' ; it is composite 43 has no factors ; it is a prime number 63 has the factors 3,7,9,21 ; it is composite.
The common factors of 30 and 63 are 1 and 3.
The common factors of 28 and 63 are: 1 and 7
The common factors of 63 and 91 are 1 and 7.
The common factors of 15 and 63 are: 1 and 3
The common factors of 21 and 63 are 1, 3, 7, and 21
The factors of 43 are 1 and 43. For them to be common, they need to be compared to another set of factors.
43 is a prime number so the common factors of 43 and 42 are 1
The factors of 63 are 1, 3, 7, 9, 21 and 63. For them to be common, they need to be compared to another set of factors.
The common factors of 54 and 63 are: 1, 3, and 9