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