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