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