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