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