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