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