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