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