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