As you can see when you list out the factors of each number, 1 is the greatest number that 21 and 41 divides into.

What is the GCF of 21 and 42?

Answer: GCF of 21 and 42 is 21.

What is the GCF of 21 and?

1.GCF of 21 and 303.Solved Examples4.FAQs

Do 21 and 40 have a GCF?

Answer: GCF of 21 and 40 is 1.

What is the GCF of 21 and 49?

The GCF of 21 and 49 is 7.

What is the GCF of 42?

The GCF of 42 and 54 is 6. To calculate the greatest common factor of 42 and 54, we need to factor each number (factors of 42 = 1, 2, 3, 6, 7, 14, 21, 42; factors of 54 = 1, 2, 3, 6, 9, 18, 27, 54) and choose the greatest factor that exactly divides both 42 and 54, i.e., 6.

What is the LCM of 21 and 42?

Answer: LCM of 21 and 42 is 42.

What is the prime number of 21 and 40?

1721–407310341–6017921161–8028333181–100419449

What's the LCM of 21 and 40?

What is the LCM of 21 and 40? The LCM of 21 and 40 is 840.

What is the GCF of 40 and 48?

Answer: GCF of 40 and 48 is 8.

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What are factors of 40?

• Factors of 40: 1, 2, 4, 5, 8, 10, 20 and 40.
• Negative Factors of 40: -1, -2, -4, -5, -8, -10, -20 and -40.
• Prime Factors of 40: 2, 5.
• Prime Factorization of 40: 2 × 2 × 2 × 5 = 23 × 5.
• Sum of Factors of 40: 90.

What is the common factor of 21?

Factor of 21 = 1, 3, 7 and 21. Therefore, common factors of 14 and 21 = 1 and 7.

What is the GCF of 28 and 42?

Answer: GCF of 28 and 42 is 14.

What is the greatest common factor for 42 and 18?

Answer: GCF of 18 and 42 is 6.

What is the GCF of 35 and 42?

Answer: GCF of 35 and 42 is 7.

What is the greatest common factor of 44 and 12?

Answer: GCF of 12 and 44 is 4.

What are the factors of 42?

• Factors of 42: 1, 2, 3, 6, 7, 14, 21, and 42.
• Factors of -42: -1, -2, -3, -6, -7, -14, -21 and -42.
• Prime Factorization of 42: 42 = 2 × 3 × 7.

What is the least common multiple of 21 42 and 84?

The least common multiple of 21, 42 and 84 is 84.

What are the multiples of 21?

Solution: The first 10 multiples of 21 are, 21, 42, 63, 84, 105, 126, 147, 168, 189 and 210.

How do u find the greatest common factor?

1. List the prime factors of each number.
2. Circle every common prime factor — that is, every prime factor that’s a factor of every number in the set.
3. Multiply all the circled numbers. The result is the GCF.

What is a factor of 48 and 42?

The factors of 42 and 48 are 1, 2, 3, 6, 7, 14, 21, 42 and 1, 2, 3, 4, 6, 8, 12, 16, 24, 48 respectively.

What is the factor of 24 and 42?

The factors of 24 and 42 are 1, 2, 3, 4, 6, 8, 12, 24 and 1, 2, 3, 6, 7, 14, 21, 42 respectively. There are 3 commonly used methods to find the GCF of 24 and 42 – Euclidean algorithm, long division, and prime factorization.

What's the LCM of 14 and 21?

Answer: LCM of 14 and 21 is 42.

What is the least common multiple of 15 25 and 60?

The least common multiple of 15, 25 and 60 is 300.

What is the LCM of 18 54 and 81?

Calculate the LCM The least common multiple of 18, 54 and 81 is 162.

What is the GCF of 6 and 21?

Answer: GCF of 6 and 21 is 3.

What is the greatest common factor of 21 and 72?

As you can see when you list out the factors of each number, 3 is the greatest number that 21 and 72 divides into.

What is the GCF of 56 and 96?

Answer: GCF of 56 and 96 is 8.

What is the GCF of 20?

The prime factors of 20 are 2 x 2 x 5. 9 and 20 have no prime factors in common. The greatest common factor is 1.

How many factors are there in 20?

The factors of 20 are 1, 2, 4, 5, 10, 20. Therefore, 20 has 6 factors.

What is the GCF of 10 and 95?

As you can see when you list out the factors of each number, 5 is the greatest number that 10 and 95 divides into.