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