The common factors are: 1, 3
The common factors of 15 and 63 are: 1 and 3
Factors of 15 are 1, 3, 5, and 15. Factors of 63 are 1, 3, 7, 9, 21, and 63. The greatest common factor of 15 and 63 is 3.
LCM(a,b) = (ab)/(GCF(a,b)) 63 factors to [3 3 7] 15 factors to [3 5] common factors: [3] 63 * 15 / 3 = 315 ■
The numbers that go into both 45 and 63 are their common factors. The factors of 45 are 1, 3, 5, 9, 15, and 45, while the factors of 63 are 1, 3, 7, 9, 21, and 63. The common factors are 1, 3, and 9. Thus, the greatest common factor is 9.
Common factors of 10 and 63 are: 1.
The factors of 45 are: 1, 3, 5, 9, 15, 45The factors of 63 are: 1, 3, 7, 9, 21, 63The common factors are: 1, 3, 9
The factors of 45 are: 1, 3, 5, 9, 15, 45 The factors of 63 are: 1, 3, 7, 9, 21, 63
The common factors of 28 and 63 are: 1 and 7
The common factors of 30 and 63 are 1 and 3.
The common factors of 63 and 91 are 1 and 7.
The common factors of 21 and 63 are 1, 3, 7, and 21
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.