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