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