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