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Circle the common factors of 16m and 20mn

User Gontovnik
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i think the common facotrs are 1,2,4
User Jerry Andrews
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First you need to factor this to prime numbers and letters. 16m = 2x2x2x2xm. 20mn = 2x2x5xmxn. The common factors are 2, 2, and m.
User Quarks
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