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