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