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