Factoring by Greatest Common Factor (GCF) Practice Worksheet
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Factor out the greatest common monomial factor.
1. 10x – 10y
10. 9x2 – 21y
2. 8x2 + 20y
11. 4m3 + 24m
3. 18a2 – 6b
12. 10p2q – 5pq2
4. 4x2 – 4x
13. 6x3y + 9y2
5. r2 + 2rs
14. 35a2b2 – 5ab
6. 2m2 + 6mn
15. 12m2n – 8mn2
7. 5p2q + 10q
16. w4 – 2w3 + w
8. 9a5 + a3
17. – 3p4 + 15p2 + 6p
9. 6w3 – 14w2
18. 8r5 – 20r4 – 12r2