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