The factors of 21 are:
1, 3, 7, 21
The factors of 350 are:
1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 350
The common factors are:
1, 7
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Well, isn't that just a happy little math problem we have here! The greatest common factor of 21 and 100 is 1. While these numbers don't have any common factors other than 1, remember that every number has 1 and itself as factors, just like every tree has its roots and branches.
The common factors of 6, 21, and 39 are 1 and 3
Common factors of 34 and 100 are: 1 and 2.
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
There are only two common factors for 56 and 21. They are 1 and 7.