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