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