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