greatest+common+factor+(+GCF)


 * 15**
 * My numbers has an GREATEST COMMON FACTOR**


 * The greatest common factor of 15 and 30 is 90.**
 * how you can find the (G.C.F.) is you get two numbers**
 * and make factor rainbows. The compare all the factors**
 * and find the greatest one.**
 * The definition:**
 * of the greatest common factor is the greatest factor that two or more**
 * numbers share, for example 1,2,3, and 6 are common factors of 12 and 30 but 6**
 * is the greatest common factor.**