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