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