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