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Use a division ladder to find the gcf of 20 and 50.
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Use a division ladder to find the gcf of 20 and 50.

User Abhay Salvi
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Gcf refers to a digit which can divide both numbers without a remainder
20|50 is divisible by 2 to become 10|25 and then divisible by 5 to become 2|5
=2×5
Gcf= 10
User Jeff Tratner
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