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