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