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