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