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