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