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