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