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