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