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