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