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