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