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