Prime & Composite Worksheet
Recommended for 4th Grade — 6th Grade
Prime & Composite Worksheet
Name: ____________________Date: ____________
Instructions: Identifying prime and composite numbers and writing prime factorizations.
20 problems
- Prime numbers in {25, 8, 17, 12, 9, 11} → ______
- Prime numbers in {12, 5, 25, 15, 29, 8} → ______
- Prime numbers in {27, 7, 8, 29, 5, 21} → ______
- Prime numbers in {27, 3, 29, 7, 23, 17} → ______
- Prime numbers in {13, 2, 29, 3, 8, 17} → ______
- Prime numbers in {17, 15, 11, 5, 21, 23} → ______
- Prime numbers in {21, 8, 15, 29, 17, 3} → ______
- Prime numbers in {3, 21, 19, 25, 8, 13} → ______
- Prime numbers in {2, 5, 29, 15, 13, 3} → ______
- Prime numbers in {15, 29, 8, 2, 5, 9} → ______
- Prime numbers in {29, 5, 9, 2, 7, 17} → ______
- Prime numbers in {7, 11, 29, 3, 27, 9} → ______
- Prime numbers in {21, 7, 11, 3, 23, 9} → ______
- Prime numbers in {11, 9, 29, 25, 17, 8} → ______
- Prime numbers in {25, 29, 12, 11, 27, 8} → ______
- Prime numbers in {11, 21, 12, 29, 17, 15} → ______
- Prime numbers in {21, 5, 8, 19, 17, 27} → ______
- Prime numbers in {7, 8, 23, 13, 5, 15} → ______
- Prime numbers in {13, 7, 5, 23, 8, 2} → ______
- Prime numbers in {3, 27, 9, 2, 23, 15} → ______