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