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