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