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