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