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