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