What is the greatest common factor of 60x4y7, 45x5y5, and 75x3y?
-5xy
-15x3y
-45x3y5
-75x5y7

The greatest common factor of two or more numbers is the greatest common factor of the two or more numbers that can divide the numbers without remainder. Factors of 60x^4y^7, 45x^5y^5 and 75x^3y. 60x^4y^7 = 2, 2, 3, 5, x, x, x, x, y, y, y, y, y, y, y 45x^5y^5 = 3, 3, 5, x, x, x, x, x, y, y, y, y, y 75x^3y = 3, 5, 5, x, x, x, y The common factors are 3, 5, x, x, x, y = 15x^3y (the second option).

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