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