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