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