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