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