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