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