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