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