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