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