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