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