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