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