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 {7, 13, 17, 2, 29, 21} → ______
- Prime numbers in {27, 17, 25, 19, 2, 9} → ______
- Prime numbers in {19, 9, 25, 12, 27, 13} → ______
- Prime numbers in {5, 19, 7, 9, 2, 25} → ______
- Prime numbers in {8, 12, 23, 9, 29, 2} → ______
- Prime numbers in {25, 11, 27, 5, 2, 17} → ______
- Prime numbers in {25, 13, 23, 11, 17, 27} → ______
- Prime numbers in {21, 11, 5, 25, 19, 17} → ______
- Prime numbers in {19, 9, 7, 12, 8, 17} → ______
- Prime numbers in {13, 5, 23, 27, 15, 9} → ______
- Prime numbers in {29, 12, 13, 11, 8, 17} → ______
- Prime numbers in {7, 8, 17, 19, 23, 27} → ______
- Prime numbers in {8, 23, 19, 29, 7, 9} → ______
- Prime numbers in {27, 3, 11, 5, 7, 21} → ______
- Prime numbers in {27, 17, 29, 13, 8, 11} → ______
- Prime numbers in {7, 8, 27, 3, 29, 23} → ______
- Prime numbers in {12, 11, 21, 25, 5, 2} → ______
- Prime numbers in {13, 3, 2, 19, 8, 7} → ______
- Prime numbers in {11, 3, 23, 2, 25, 15} → ______
- Prime numbers in {15, 12, 3, 23, 17, 11} → ______