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