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