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