What's on a Grade 7 gcf & lcm worksheet?

Each pack has up to 12 questions per page with a matching answer key, tuned to Grade 7, with beginner, intermediate, and advanced options so a teacher, tutor, or parent can match the learner's level.

What is the difference between GCF and LCM?

The GCF is the largest number that divides both (a common factor); the LCM is the smallest number both divide into (a common multiple).

How do you find the GCF with prime factorization?

Factor each number into primes, then multiply the primes they share, using the lowest power of each shared prime.

Grade 7 · GCF & LCM

Grade 7 GCF & LCM Worksheets

Printable Grade 7 gcf & lcm worksheets, sized to fit one page. Download a free sample below, or pick beginner, intermediate, or advanced and generate a fresh pack with answer keys in seconds. No AI, no wrong answers.

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Grade 7 examples by level

BeginnerLCM of 2 and 4 =Answer4
IntermediateGCF of 6 and 15 =Answer3
AdvancedGCF of 16 and 28 =Answer4

Real problems from the generator: always mathematically correct, and every pack is different.

Download a free Grade 7 gcf & lcm worksheet

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These three sheets are fixed, so you can bookmark or share them and get the same page back. Answer keys and fresh numbers come with a free account.

Why Grade 7 gcf & lcm practice matters

GCF and LCM ask opposite questions — largest shared factor versus smallest shared multiple — and mixing up which one you need is what turns simplifying fractions into guesswork.

Grade 7 is the only grade Mathter offers gcf & lcm worksheets for.

Want the full method, tips, and common mistakes? Read the GCF and LCM Worksheets guide.

Frequently asked questions

What's on a Grade 7 gcf & lcm worksheet?: Each pack has up to 12 questions per page with a matching answer key, tuned to Grade 7, with beginner, intermediate, and advanced options so a teacher, tutor, or parent can match the learner's level.
What is the difference between GCF and LCM?: The GCF is the largest number that divides both (a common factor); the LCM is the smallest number both divide into (a common multiple).
How do you find the GCF with prime factorization?: Factor each number into primes, then multiply the primes they share, using the lowest power of each shared prime.

Make a Grade 7 gcf & lcm pack

Pick your options and print in seconds, with answer keys included.

Create free worksheets

Free to start · answer keys included · free accounts get 14 days of Standard · no card required.