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