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