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