The factors of 63 are 1,3,7,9 and 21.
The factors of 26 are: 1, 2, 13, 26 The factors of 42 are: 1, 2, 3, 6, 7, 14, 21, 42 The factors of 63 are: 1, 3, 7, 9, 21, 63
The factors of 40 are: 1, 2, 4, 5, 8, 10, 20, 40 The factors of 63 are: 1, 3, 7, 9, 21, 63
The factors of 63 are 1, 3, 7, 9, 21, and 63. Pick two.
The factors of 21 are 1, 3, 7, 21. The factors of 63 are 1, 3, 7, 9, 21, 63
The factors of 28 are: 1, 2, 4, 7, 14, 28 The factors of 42 are: 1, 2, 3, 6, 7, 14, 21, 42 The factors of 63 are: 1, 3, 7, 9, 21, 63
The factors of 54 are: 1, 2, 3, 6, 9, 18, 27, 54 The factors of 63 are: 1, 3, 7, 9, 21, 63
The factors of 56 are: 1, 2, 4, 7, 8, 14, 28, 56 The factors of 63 are: 1, 3, 7, 9, 21, 63
The factors of 42 are: 1, 2, 3, 6, 7, 14, 21, 42 The factors of 63 are: 1, 3, 7, 9, 21, 63
The factors of 28 are: 1, 2, 4, 7, 14, 28 The factors of 63 are: 1, 3, 7, 9, 21, 63
The factors of 20 are: 1, 2, 4, 5, 10, 20 The factors of 63 are: 1, 3, 7, 9, 21, 63
The 6 factors of 63 are 1, 3, 7, 9, 21, and 63. The factor pairs of 63 are 1 x 63, 3 x 21, and 7 x 9. The proper factors of 63 are 1, 3, 7, 9, and 21; possibly not 1, depending on your definition. The prime factors of 63 are 3, 3, and 7. The 2 distinct prime factors of 63 are 3 and 7.
The factors of 42 are: 1, 2, 3, 6, 7, 14, 21, 42The factors of 55 are: 1, 5, 11, 55The factors of 63 are: 1, 3, 7, 9, 21, 63