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