The greatest common factor of 15x²y³ and -20x³yz is 5x²y
The greatest common factor is the number that is common in both numbers.
So, the number are 15x²y³ and -20x³yz.
∴ We will take common one by one from both the number.
⇒ (15x²y³, -20x³yz)
⇒ 5 (3x²y³, -4 x³yz)
⇒ 5x²y (3y², -4xz)
∴ This is the point where we can't take anything common from these two numbers. So, the greatest common factor is 5x²y.
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