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