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