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