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